Dr. Chigozie K. Acha

Dr. Chigozie K. Acha

Associate Professor

Biography

Chigozie Kelechi Acha is an Associate Professor of Statistics and has been teaching statistics at both undergraduate and graduate levels at the Michael Okpara University of Agriculture, Umudike (MOUAU) Nigeria for more than eighteen years. Prior to this, she had done part-time teaching at the University of Nigeria Nsukka. She has extensive experience in consulting and training within and outside Nigeria – University of Maryland’s Joint Program in Survey Methodology (JPSM) USA, Hankali, University of Hull United Kingdom. In furtherance of her academic dexterity, she has attended and presented papers at many conferences, workshops, and seminars in Frankfurt, Germany; Krakow Poland; Cairo Egypt; Livingstone, Zambia; Nairobi, Kenya; Johannesburg South Africa; Ottawa, Ontario, Canada; Dubai, UAE, Manama, Bahrain and others. She has published extensively in reviewed conference proceedings and in several reputable national and international journals and has equally published three textbooks for use in tertiary institutions in her area of specialization. Similarly, she has held many administrative positions within the university system, including serving as Head of Department in both Michael Okpara University of Agriculture, Umudike and Alex Ekwueme Federal University, Ndufu Alike, Ikwo (AEFUNAI), Nigeria, In addition she has served as; a visiting scholar to Alex Ekwueme Federal University, Ndufu Alike, Ikwo (AEFUNAI); External Examiner at the Federal College of Agriculture, Isiagu; Adjunct lecturer at Ebonyi State University, to mention but a few. She is also a team player, detail-oriented, analytical driven and has worked on a wide variety of projects that have allowed her to practice what she teaches. She is adept at using the following statistical tools and software packages; descriptive statistics, ANOVA (Analysis of Variance), clustering analysis, support vector machines (SVM), random forest, time series analysis, bagging, model evaluation, exploratory data analysis, and regression analysis (linear and logistic), E-views, R-package, Python, SPSS, Latex, Matlab, Minitab, S-PLUS, Tora, Stata and so on. She has successfully supervised many postgraduate (PhD and MSc) students and also many undergraduate students.


RESEARCH INTEREST

Primarily, she is interested in the areas of Data Science, Machine Learning, Econometrics, Experimental design, Official Statistics, Non-parametric but not limited to computational social science, and physical sciences. She is also passionate about researching and teaching Statistics with the use of E-views, R-package, Python, SPSS, Latex, Mat-lab, Minitab, S-PLUS, Tora, Stata and Ms-packages (Power point, Equation editor, Access, Excel etc). In addition, she is an expert in several statistical tools including simulation and resampling (e.g. the bootstrap methods), Data mining, experimental design, and other statistical computer modeling methods.

 

EDUCATIONAL BACKGROUND

Academic/Professional Qualifications with dates:

  1. Ph.D. (Statistics/Econometrics), January, 2015
  2. M.Sc. (Statistics /Design and Analysis of Experiment),October, 2005
  3. B.Sc. (Statistics), January, 2001

 

 EMPLOYMENT, TEACHING AND ADMINISTRATIVE EXPERIENCES:

  1. Full Employment History with Dates:
  • Christian Association of  Nigeria Sec. School (SAMBO), Billiri Gombe State, Mathematics Teacher              2001-2002           
  • (NYSC Primary Assignment)           
  • Sandwich Program University of Nig. Nsukka: Part-time Lecturer – 2002 – 2007
  • Sandwich Program MOUA, Umudike: Part-time Lecturer – 2011 – Date
  • Mathematics/Computer/Statistics/Informatics, FUNAI: Ag. HOD-MCSI, FUNAI – 2016 – 2017
  • Statistics Department, FCAI Fed. College of Agric. Isiagu External Examiner – 2017 – Date
  • Statistics Department, MOUAU.  Ag. HOD- Statistics Department, MOUAU – 2017 – 2019
  1. Teaching History with Dates:

MOUA, Umudike       Department of Statistics     Assistant Lecturer    2007 – 2010

MOUA, Umudike       Department of Statistics     Lecturer 11                 2010 – 2013

MOUA, Umudike       Department of Statistics     Lecturer 1                   2013 – 2015

MOUA, Umudike       Department of Statistics     Senior Lecturer         2015 – 2017

MOUA, Umudike       Department of Statistics     Associate Professor  2017 – Date

  1. Administrative experience within and outside the university:    
  1. Acting Head of Department of Mathematics/Computer/Statistics/Informatics (MCSI), Federal University Ndufu-Alike Ikwo (FUNAI), Ebonyi State.
  2. Acting Head of Department of Statistics Department, Michael Okpara University of Agriculture, Umudike (MOUAU).
  3. Chairman Accreditation Committee, Department of Statistics, Federal University Ndufu-Alike Ikwo (FUNAI), 2016 with full accreditation.
  4. Member of International Association for Official Statistics Scientific Program Committee 2022 conference in Krakow, Poland
  5. Member, Editorial Board Annals of Statistical Theory and Application (ASTA)
  6. External Examiner for undergraduate students in Statistics Department, Federal College of Agriculture Isiagu (FCAI)) from 2017 – Date
  7. Head of the Disciplinary committee of the Joint Association of Physical and Applied Science Students (JAPASS) from 2018 – 2023.
  8. Chairman Taskforce committee Computer on the actual cause of the outstanding result Science Department for 2015/2016 to 2017/2018 period under consideration and proffer immediate solution (2021).
  9. Secretary of the scientific committee of Nigeria Statistical Society (NSS) 2018 conference.
  10. Staff Adviser of the Joint Association of Physical and Applied Science Students (JAPASS) from 2018 – 2023
  11. Organizer of International Biometric Society (IBS), Sub-Sahara African Network (SUSAN) Second quarterly meeting in MOUAU, Umudike.
  12. Treasurer Expanded local organizing committee (ELOC) of the Renewable and Alternative Energy Society of Nigeria (RAESON) for 2019 conference in MOUAU.
  13. Supervisor for PGD/M.Sc/Ph.D students in Statistics department, MOUAU from 2015 till date.
  14. Academic adviser for 2010/2011 statistics students from 2011 to 2014.
  15. Exam officer for 2010/2011 statistics students from 2011 to 2014.
  16. Reconciliation officer for statistics results from 2011 to 2014.
  17. COLPAS representative to College of Animal Science and Production (CASAP) 2013/2014 to 2015/2016.
  18. Internal examiner for PGD/M.Sc/Ph.D students in Statistics department 2015.
  19. Secretary/member local organizing committee of NSA MOUA, Umudike chapter.
  20. Dean Postgraduate (PG) School representative in external examination of PG students in various departments in MOUAU 2015 till date.
  21. Reviewer, Academic Staff Union of Universities (ASUU) Journal
  22. Coordinator International Biometric Society (IBS) MOUAU Sub-Sahara African Network (SUSAN).
  23. Coordinator Nigerian Statistical Association (NSA) MOUAU branch.
  24. Welfare Chairman of Nigerian Statistical Society (NSS).
  25. Welfare Chairman of Professional Statistical Society of Nigeria (PSSN).
  26. International Biometric Society (IBS-SUSAN) quarterly meetings, UNIPORT, Nigeria 2015.
  27. International Biometric Society (IBS-SUSAN) quarterly meetings, FUNAB, Nigeria 09/02/2016.
  28. Ethics lecture delivered in College of Physical and Applied Sciences (COLPAS) 2018 and 2019
  29. Ethics lecture for Joint Association of Physical and Science Students (JAPASS) 2018, 2019, 2020, 2021.
  30. Virtual Lecture Delivered on The World Statistics Celebration 2020, titled Connecting The World With Data We Can Trust (The Nigerian Case) through LISA, MOUAU 28 0ct. 2020.
  31. Presentation on the title “Statistical Analysis in Agricultural and Biological Sciences” in Michael Okpara University of Agriculture Umudike, 2019.
  32. Member Local organizing committee for Laboratory for Interdisciplinary Statistical Analysis [MOUAU-LISA] from 27 September – 3 December 2020 Location: Virtual + Umudike
  33. Lecture delivered in Imo State University (IMSU) 2020 during LISA Symposium on Machine Learning.
  34. Vice president, Professional Statistical Society of Nigeria (PSSN).

                                                                                   

LIST OF PUBLICATIONS:

Dissertation: An investigation of bootstrap methods for parameter estimations in simple linear regression models. Michael Okpara University of Agriculture, Umudike (MOUAU).

Thesis: On two approaches of analysing balanced incomplete block designs. University of Nigeria, Nsukka.

 

Journals

 

  1. Acha, C. K. (2010) Impact of Housing and Age of Birds on Egg Production. International Journal of Numerical Mathematics, 5(2), 275-298. Article link: https://www.researchgate.net/publication/341915168_Impact_of_housing_and_age_of_birds

 

  1. Acha, C. K. (2011) Principal Component Analysis as an Efficient Performance Measurement Tool. Journal of the Nigerian Association of Mathematical Physics, 19, 607 – 614. Article link: https://www.ajol.info/index.php/jonamp/article/view/92053

 

 

 

  1. Omekara, C. O. and Acha, C. K. (2012) Multivariate Analysis of the Performance of Students Using Hotelling T2 International Journal of Statistics and Analysis, 2(2), 131 – 142. Article link: https://www.ripublication.com/Volume/ijsav2n2.htm

 

  1. Acha, C. K. (2012) Regression and Principal Component Analyses: A Comparison Using Few Regressors. American Journal of Mathematics and Statistics, 2(1), 1 – 5. Article link: http://article.sapub.org/10.5923.j.ajms.20120201.01.html

 

  1. Acha, C. K. (2012) Symmetric and Unsymmetric Balanced Incomplete Block Design: A Comparative Analysis. International Journal of Statistics and Applications, 2(4), 33 – 39. Article link: http://article.sapub.org/10.5923.j.statistics.20120204.02.html

 

  1. Acha, C. K. and Nduaguibe, U. J. (2012) Entrepreneurial Success and Operations Research Techniques. American Journal of Operations Research, 2(5), 45 –50. Article link: http://article.sapub.org/10.5923.j.ajor.20120205.01.html

 

  1. Acha, C. K. (2012) Is Treatment Adjustment in SBIBD Necessary? International Journal of Probability and Statistics, 1(3), 48– 53. Article link: http://article.sapub.org/10.5923.j.ijps.20120103.04.html

 

  1. Acha, C. K. (2012) On two Methods of Analysing Balanced Incomplete Block Designs. Pakistan Journal of Statistics and Operation Research, 8(4), 749 –757. Article link: https://pjsor.com/pjsor/article/view/404

 

  1. Nwogu, E. C. and Acha, C. K. (2014) Age of Bird at Optimal Production of Eggs: A Polynomial Regression Analysis. Pakistan Journal of Statistics and Operation Research, 10(2), 205-215. Article link: https://pjsor.com/pjsor/article/view/469

 

  1. Acha, C. K. (2014) Parametric Bootstrap Methods for Parameter Estimation in SLR Models. International Journal of Econometrics and Financial Management, 2(5), 175– 179. Doi:10.12691/ijefm-2-5-2. Article link: https://pubs.sciepub.com/ijefm/2/5/2/index.html

 

  1. Acha, C. K. (2014) Bootstrapping Normal and Binomial Distributions. International Journal of Econometrics and Financial Management, 2(6), 253– 256. Doi:10.12691/ijefm-2-6-2. Article link: https://pubs.sciepub.com/ijefm/2/6/5/index.html

 

  1. Acha, C. K. (2014) Trend and Levels of Women Empowerment in Nigeria. American Journal of Applied Mathematics and Statistics, 2(6), 402–408. Doi:10.12691/ajams-2-6-2. Article link: https://www.sciepub.com/AJAMS/abstract/3364

 

  1. Acha, C. K. and Acha, I. A. (2015) Application of Bootstrap Data Generating Processes on the Nigerian Capital Market – Journal of Science and Sustainable Technology, MOUAU, 2(1), 227-24. Article link: https://ojs.mouau.edu.ng/index.php/jsst/article/view/134

 

  1. Acha, C. K. (2015) A Perspective on Women Gender Equality in Nigeria: Level, Differentials and Prediction. American Journal of Applied Mathematics and Statistics, 3(1), 12–16. Doi:10.12691/ajams-3-1-3. Article link: https://pubs.sciepub.com/ajams/3/1/3/index.html

 

  1. Acha, C.K. and Acha I.A. (2015) Smooth Bootstrap Methods on External Sector Statistics. International Journal of Econometrics and Financial Management, 3(3), 115–120. Doi:10.12691/ijefm-3-3-2. Article link: https://pubs.sciepub.com/ijefm/3/3/2/index.html

 

  1. Acha, C. K. and Omekara, C. O. (2016) Towards Efficiency in the Residual and Parametric Bootstrap Techniques. American Journal of Theoretical and Applied Statistics. 5(5), 285-289. Doi: 10.11648/j.ajtas.20160505.16. Article link: https://www.sciencepublishinggroup.com/article/10.11648/j.ajtas.20160505.16

 

  1. Acha, C. K. (2016) Rescaling Residual Bootstrap and Wild Bootstrap. International Journal of Data Science and Analysis. 2(1), 7-14. Doi: 10.11648/j.ijdsa.20160201.12. Article link: https://www.sciencepublishinggroup.com/article/10.11648/j.ijdsa.20160201.12

 

  1. Acha, C. K. (2016) The Efficiency of Malaria Drugs on Children of Different Gender Under Age Five in Abia State Nigeria. Elixir International Journal Elixir Statistics 101 (2016) 44007-44010. Available online at www.elixirpublishers.com. Article link: https://www.elixirpublishers.com/articles/1676457541_201612029.pdf

 

  1. Acha C. K., and Nwabueze J. C. (2016) Restricted and Unrestricted Methods of Bootstrap Data Generating Processes. International Journal of Theoretical and Applied Mathematics. 2 (2) 121-126. doi: 10.11648/j.ijtam.20160202.24. Article link: https://www.sciencepublishinggroup.com/article/10.11648/j.ijtam.20160202.24

 

  1. Acha, C. K. (2017) and Ahaiwe, U. (2017). Predicting the Effect of Prolonged Dihydrotestosterone and Estradiol Valerate Administration on Male Albino Rats. Data Research. 1(2), 19 – 25. itspoa.com/journal/data. Article link: http://itspoa.com/UploadFiles/2018-06/369/2018062216153454477.pdf

 

  1. Acha, C. K., and Iwuji C. (2017) Minimization of Total Production Cost Using Branch and Bound Integer Programming. Journal of the Nigerian Association of Mathematical Physics, 41, 457 – 464. Article link: https://www.ajol.info/index.php/jonamp/article/view/207014

                              

  1. Acha C. K. (2017) Bootstrapping Normal Distribution with Different Group Proficiency forms. Data Research. 1(1), 10 -18. itspoa.com/journal/data. Article link: http://www.itspoa.com/itsadmin/Ll/LL.DE.asp?action=Paper_Information&id=1303&at=Bootstrapping%20Normal%20Distribution%20with%20Different%20Group%20Proficiency%20Forms&jn=Data%20Research

                           

  1. Acha, C. K. and Amalahu, C. C. (2017). Interactions of Interest Rate and Its Implications for the Nigerian Economy. Journal of the Nigerian Association of Mathematical Physics, 43, 285 – 292.

 

  1. Acha, C. K. (2017) An Investigation of Parametric and Nonparametric Bootstrap Data Generating Processes. Journal of the Nigerian Association of Mathematical Physics, 43, 293 – 300.

 

  1. Iwuji, A. C. and Acha, C. K. (2018) A Mixed-Integer Lexicographic Goal Programming Model for Achieving Estimated Targets in Multi-Product Systems. Data Research. 1(1), 33-42. itspoa.com/journal/data.
  2. Article link: http://www.itspoa.com/UploadFiles/2018-05/369/2018052203453931179.pdf

 

  1. Acha C.K. and Umezurike C. (2018). Empirical Assessment of Selected Financial Indicators and Nigeria Gross Domestic Product. Quantitative Economics Research 1(1), 47-56 | Article link: https://journal2.um.ac.id/index.php/qer/article/view/3709/2135
  2. Acha, C. K. and Nwabueze, J. C. (2018). An Investigation of Bootstrap methods in Parametric Estimations in Simple Linear Regression. Data Research. 2(2), 54-64. itspoa.com/journal/data. Article link: http://www.itspoa.com/UploadFiles/2018-07/369/201807170630364304.pdf

 

  1. Amalahu, C. C. and Acha, C. K. (2018). Application of Auto- Regressive Distributed Lag Model (ADRL) Bound Test on Selected Macroeconomic Variables. Quantitative Economic Research, 1(2), 79–86.

Article link: https://journal2.um.ac.id/index.php/qer/article/viewFile/5535/3174

 

  1. Acha, C. K. (2018) Analysis of Yam Yield Data: A Comparison of One-Way ANOVA and Kruskal -Wallis Test – Journal of science and Sustainable Technology, MOUAU, 2(1), 241 – 254. Article link: https://ojs.mouau.edu.ng/index.php/jsst/article/view/96

 

  1. Acha, C. K. and Iwuji, A. C. (2019) A Meta Goal Programming Model with Mixed-Integer Variables: Application in Multi-Product Manufacturing Systems. Annals of Statistical Theory and Applications (ASTA), 2: 1-8. Publisher: Professional Statisticians Society of Nigeria(PSSN) Article link: https://www.pssng.org/publication/journals/eyJpdiI6IkROVjZBUzF4K2FnMEwwVnBjdEdtVmc9PSIsInZhbHVlIjoieis0RGp5TW95RFcyazFTVzhCdVZYQT09IiwibWFjIjoiZjBlZGI5ZWY3YzRjZGYyMzNjNjQ1YzRjMGQ5MGViZjQ4ZGUyZTM4ZDVkZWI0YTVlMzA1ZWFjOGE4NGE0YjM0NSIsInRhZyI6IiJ9

 

  1. Eziokwu, C. E., Acha C.K. and Okolo A. (2019) On a Review of the Lebesgue Integrals with Application to Probability Theory. Asian Research Journal of Current Science.1 (1): 34-44, 2019; Article no.ARJOCS.149. Article link: https://jofscience.com/index.php/ARJOCS/article/view/106/115

 

  1. Acha, C. K and Uko O. U. (2019) Simultaneous Equation Modeling of Selected Econometric Variables on the Nigerian Economy. Benin Journal of Statistics. 2, 76– 84.

 

  1. Acha, C. K. (2019) Comparative Modelling of Parameter Estimation Methods with Nigerian Financial Sector Statistics. Scientia Africana. 18: 187-196. Article link: https://www.ajol.info/index.php/sa/article/view/199501
  2. Shittu, O. I, Marcus, N. S. and Acha, C. K. (2019) Multivariate GARCH Modelling of Volatility of Nigerian Stock Market and Some Economic Indices. Scientia Africana. 18: 197-207. Article link: https://www.ajol.info/index.php/sa/article/view/199503

 

  1. Akintunde, M. O., Acha, C.K., Agunloye, O.K.,Eriobu, N. O., Oyekunle, J. O.I.,, Abdulazeez, I. l. A. (2019) Exchange Rate Forecasting Using Non-linear Threshold Models. International Journal of Probability and Statistics 2019, 8(2): 30-36 DOI: 10.5923/j.ijps.20190802.02 Article link: http://article.sapub.org/10.5923.j.ijps.20190802.02.html

 

  1. Akintunde, M. O., Acha, C.K., Agunloye, O. K, Oyekunle, J.O.1, Agbona, A. A.1, Kgosi P. M. (2019) Evaluating the Forecast Performance of Autoregressive Conditional Heteroscedasticity (ARCH) Family Models. American Journal of Mathematics and Statistics 2019, 9(6): 221-227DOI: 10.5923/j.ajms.20190906.03 Article link: http://article.sapub.org/10.5923.j.ajms.20190906.03.html

 

  1. Acha, C. K. (2020) Impact of macroeconomic factors in selected African countries A Panel Data Analysis. Scientia Africana. 19: 107-118.

 

  1. Nwezza, E. E., Uwadi, U. U., Acha, C. K. and Osagie, C. (2022). Gumbel Marshall-Olkin Lomax: A new distribution for reliability modelling, RT&A, 17 (1) 288-302. Article link: http://net/Journal/2022/012022/RTA_1_2022-20.pdf

 

  1. Effiong, B. A., Okereke, E. W., Omekara, C. O., Acha, C. K. and E. A. Akpan (2023) A New Family of Smooth Transition Autoregressive (STAR) Models: Properties and Application of its Symmetric Version to Exchange Rates. Communication in Physical Sciences, 9(3):310-324 Article link: https://journalcps.com/index.php/volumes/article/view/383

 

  1. Acha, C. K., Amalahu, C. C., & Eziokwu, C. E. (2023). Modeling and Forecasting of Nigeria Crude Oil Production. Journal of Mathematics and Statistics Studies, 4(1), 58-67. https://doi.org/10.32996/jmss.2023.4.1.5 Article link: https://al-kindipublisher.com/index.php/jmss/article/view/6604/5541 and For view – https://al-kindipublisher.com/index.php/jmss/article/view/6604

 

  1. Acha, C. K. and Uko, U.U (2024) Modeling of Balance of Payment and Exchange Rate in Nigeria. Transactions of The Nigerian Association of Mathematical Physics (NAMP) Journal, 19 (January-December,2023) 79-88 Article link: https://nampjournals.org.ng/index.php/tnamp/article/view/266

 

  1. Acha, C. K., Akintunde , M. O., & Iwuji, A. C. (2023). Simulating Parametric and Nonparametric Models. Journal of Mathematics and Statistics Studies, 4(2), 79-91. https://doi.org/10.32996/jmss.2023.4.2.9 Article link: https://al-kindipublisher.com/index.php/jmss/article/view/6605

 

  1. Acha, C. K. and Ibanga, K. D. (2024) Replication of Optimal Central Compsite Design: Rotability and Orthognality Design Restrictions. Transactions of The Nigerian Association of Mathematical Physics (NAMP) Journal, 19 (January-December,2023) 89-100 Article link: https://nampjournals.org.ng/index.php/tnamp/issue/view/8

Edited Conference Proceedings

  1. Okezie, J.O, Acha, C.K. and Enogwe S.U. (2024) Some techniques of handling the problem of multicollinearity in multiple regression model: A Comparative study. Proceedings of the Mathematical Association of Nigeria (M.A.N) – Theme: Mathematics as the Bedrock of Artificial Intelligence (AI) Creative Thinking For National Development, at the 60th annual national conference, Edo 2024. (2):424-450

 

  1. Acha, C. K (2019) Principal Component Analysis of Nigerian Stock Exchange. Edited Proceedings of the Professional Statisticians Society of Nigeria, 3rd International Conference on Statistics, Democracy and Nation Building, from June 17th – 20th, 2019, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. Vol.3: 10- 14. Publisher: Professional Statisticians Society of Nigeria.pssn.com.ngISBN: 978-978-55191-5-0

 

  1. Acha, C. K (2019) On the Causal relationship the Gross Domestic Product, Inflation Rate, Exchange Rate and Interest Rate in Nigeria. Edited Proceedings of the Professional Statisticians Society of Nigeria, 3rd International Conference on Statistics, Democracy and Nation Building, from June 17th – 20th, 2019, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. Vol.3: 1- 9. pssn.com.ng ISBN: 978-978-55191-5-0

 

  1. Acha, C. K. (2018). Impact of unemployment and interest rates on economic growth rate in Nigeria. Edited Proceedings of the Professional Statisticians Society of Nigeria, 2nd International Conference on Statistical Methods in Big Data Research: Challenges & Prospects in Modeling Climate Change, from April 10-12, 2018, held at international Conference Center, University of Calabar, Nigeria. Vol. 2: 283 -288. www.pssn.com.ng ISBN: 978-978-55191-5-0

 

  1. Nwezza, E. E. and Acha, C. K. (2018). On Robust Parameter Estimation for Phase 1 Linear Profile Monitoring. Proceedings of the Professional Statisticians Society of Nigeria, 2nd International Conference on Statistical Methods in Big Data Research: Challenges & Prospects in Modeling Climate Change, from April 10-12, 2018, held at international Conference Center, University of Calabar, Nigeria. vol. 2: 339 – 345. pssn.com.ng. ISBN: 978-978-55191-5-0

 

  1. Acha, C. K. and Acha, I. A. (2017). Application of Bootstrap Data Generating Processes on the Nigerian Capital Market. Proceedings of the Nigeria Statistical Society (NSS), 1st International Conference on Statistical Research And It’s Applications, from April 3-6, 2017, held at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, 1: pp 156 -161.

 

  1. Acha, C. K. (2017). An Investigation of Parametric and Nonparametric Bootstrap Data Generating Processes” Proceedings of the Nigeria Statistical Society (NSS), 1st International Conference on Statistical Research And It’s Applications, from April 3-6, 2017, held at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, 1: 185 – 190.
  2. Acha, C. K. (2016) The Efficiency of Malaria Drugs on Children Under Age Five in Nigeria. Proceedings of the Nigerian Statistical Association (NSA) Annual Conference 2016 held at international conference Centre, 900 Herbert Macaulay Way, Area II Opposite Radio House, Federal Capital Territory FCT) Abuja, from 7th – 9th of September, 2016, pp 761-770.

 

  1. Nwogu, E. C. and Acha, C. K. (2011) Age of Birds at Optimal Production of Eggs: A Polynomial Regression Analysis. Proceedings of the Nigerian Mathematical Society (NMS) 30th Annual Conference 2011 held at Federal University of Technology, Minna, Niger State, pp 45-54.

 

Books

  1. Omekara, C. O. and Acha C. K. (2017). Nonparametric Statistics. ISBN: 978-54309-6-7. Prisat Nigeria Limited: Aba.

 

  1. Acha C. K. (2018). Fundamentals of Statistics. ISBN: 978-2832-50-2. DAVES PUBLISHERS, Uyo.

 

  1. Acha C. K. (2020). Comprehensive Guide to Statistics. ISBN: 978-978-60223-7-6. PARVENU TECHNOLOGIES, Uyo.

 

Books of Abstract

  1. Omekara, C. O. and Acha, C. K. “Multivariate Analysis of the Performance of Students Using Hotelling T2 Statistic”, in the 34th Annual Conference of the Nigerian Statistical Association (NSA) Book of Abstracts, Owerri, Imo State, Nigeria, September 22nd – 27th, 2010.

 

  1. Nwogu, E. C. and Acha, C. K. “Age of Birds at Optimal Production of Eggs: A Polynomial Regression Analysis”, in the 30th Annual Conference of the Nigerian Mathematical Society (NMS) Book of Abstracts, Federal University of Technology, Minna, Niger State, Nigeria, July 9th -22nd

 

  1. Acha, C. K. “Trend, Level, Differentials and Prediction of Gender Equality and Women Empowerment in Nigeria”, in the 1st International Conference and Exhibition Uyo 2013 – Organization for Women in Science for the Developing World (OWSD) Book of Abstracts, University of Uyo, Uyo, Akwa Ibom State, Nigeria, June 3rd – 6th , 2013.

 

  1. Acha C. K., and Nwabueze J. C. “Restricted and Unrestricted Methods of Bootstrap Data Generating Processes”, in the 39th Annual Conference of the Nigerian Statistical Association (NSA) Book of Abstracts, Multipurpose Hall, Local Government Service Commission Osun State Secretariat, Osogbo, Nigeria, September 9th – 11th, 2015.

 

  1. Acha C. K., “The Efficiency Of Malaria Drugs On Children Under Age Five In Nigeria,” D10, Scientific Session 2.Group 2, in the 14th Regional Scientific Conference of the Sub-Sahara Africa Network (SUSAN) of the International Biometric Society Book of Abstracts, University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, November 11-13, 2015.

 

  1. Acha, C. K. and Acha, I. A. “Application of Bootstrap Data Generating Processes on the Nigerian Capital Market” Day 2-05 April 2017: C9 in NSS Book of Abstracts, at the1st International Conference of the Nigeria Statistical Society (NSS) on Statistical Research and its Applications, University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, April 3-6, 2017.

 

  1. Acha, C. K. “An Investigation of Parametric and Nonparametric Bootstrap Data Generating Processes” Day 2-05 April 2017: C15 in NSS Book of Abstracts, at the 1st International Conference of the Nigeria Statistical Society (NSS) on Statistical Research and it’s Applications, University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, April 3-6, 2017.

 

  1. Acha C.K. and Umezurike C. “Empirical Assessment of Selected Financial Indicators and Nigeria Gross Domestic Product” Day 1-10 April, 2018: Group 4- D3 in NSS Book of Abstracts, at the 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K. and Amalahu, C. C. “A Study of Interactions between Some Selected Economic Variables and their Implications on Nigerian Economy” Day 1-10 April, 2018: Group 4- D4 in NSS Book of Abstracts at the 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K., and Iwuji C. “A Meta Goal Programming Model with Mixed-Integer Variables: Application in Multi-Product Manufacturing Systems” Day 1-10 April, 2018: Group 4- D5 in NSS Book of Abstracts, at the 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K., and Iwuji C. “A Mixed-Integer Lexicographic Goal Programming Model for Achieving Estimated Targets in Multi-Product Systems” Day 2-11 April, 2018: Group 4- D14 in NSS Book of Abstracts, at the 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Nwezza, E.E. and Acha, C. K. “On Robust Parameter Estimation for Phase I Linear Profile Monitoring” Day 2-11 April, 2018: Group 4- C26 in NSS Book of Abstracts, at the 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. O.I, Marcus,N.S, and Acha, C. K. Multivariate GARCH Modelling of Volatility of Nigeria Stock Market and Some Economic Indices, Group 2- B8 in PSSN Book of Abstracts, at the 3rd International Conference of the Professional Statisticians Society of Nigeria on Statistics, Democracy and Nation Building, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. June 17th – 20th 2019.

 

  1. Acha, C. K and Amalahu, C.C. Nigeria’s external reserves and the economy, Group 4- D18 in PSSN Book of Abstracts, at the 3rd International Conference of the Professional Statisticians Society of Nigeria on Statistics, Democracy and Nation Building, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. June 17th – 20th 2019.

 

  1. Nwezza, E, Acha, C. K and Uwadi, U. U. Another Generalized Transmuted Power Function Distributions. Group 1- A22 in PSSN Book of Abstracts, at the 3rd International Conference of the Professional Statisticians Society of Nigeria on Statistics, Democracy and Nation Building, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. June 17th – 20th 2019.

 

  1. Acha, C. K. An Application Auto- Regressive Distributed Lag Model (ARDL) Bound Test on Gross Domestic Product, Inflation, Exchange Rate, and Interest Rate. Group 2- B29 in PSSN Book of Abstracts, at the 3rd International Conference of the Professional Statisticians Society of Nigeria on Statistics, Democracy and Nation Building, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. June 17th – 20th

 

  1. Acha, C. K. and Shittu, O.I. dynamic investigation of inter relationship between some interest rates and their implications on the Nigerian economy. Group 2- A56 in PSSN Book of Abstracts, at the 3rd International Conference of the Professional Statisticians Society of Nigeria on Statistics, Democracy and Nation Building, held at Center of Excellence, Ahmadu Bello University, Zaria, Nigeria. June 17th – 20th

 

  1. Acha, K. and Popoola, O. P. (2022) “Challenges of big data for official statistics in Africa”, focusing on “Worthy Information for Challenging Times”, it will be organized by IAOS together with Statistics Poland in Krakow, Poland on April 26-28, 2022.

 

  1. Acha, K. and Popoola, O. P. (2022). “Challenges of achieving sustainable development goals in Africa in an uncertain age”, focusing on “Worthy Information for Challenging Times”, it will be organized by IAOS together with Statistics Poland in Krakow, Poland on April 26-28, 2022.

 

  1. Acha, C. K. (2023). “Africa agenda 2063 and SDGs : prospects and Challenges”, A paper presented at the 17th International Association for Official Statistics Conference and 3rd International Statistical Institute Regional Statistics Conferenceheld in Livingstone, Zambia from 4-6 April 2023. It is jointly organized by the International Association for Official Statistics, International Statistical Institute and the Zambia Statistics Agency – ZamStats.

 

  1. Acha, C. K. and Isaac Fwemba (2023). “Bayesian Approaches for using historical controls to evaluate the public health intervention effectiveness” A paper presented at the 17th International Association for Official Statistics Conference and 3rd International Statistical Institute Regional Statistics Conferenceheld in Livingstone, Zambia from 4-6 April 2023. It is jointly organized by the International Association for Official Statistics, International Statistical Institute and the Zambia Statistics Agency – ZamStats.

 

  1. Acha C.K., Mensah, F. B., Madu, B., Barrow, S., and Sonii, B. (2023). “Challenges of Measuring Specific Economic Activities of Sub-Regional West African Countries: The Gambia, Nigeria, Liberia and Ghana”, accepted for presentation at the 64th WSC 2023, to be held 16-20July in Ottawa, Canada. Available Online@ https://www.isi2023.org/proposals/15/?category=20

 

  1. Awad-Shakhshir, O., Carfagna, E., Jansen, R., Popoola, O. P., Hanivan, H., and Acha, C.K. (2023) “Fourth Industrial Revolution, Data Science and the Future of Official Statistics”, accepted for presentation at the 64th WSC 2023, to be held 16-20 July in Ottawa, Canada. Available Online@ https://www.isi2023.org/proposals/15/?category=20

 

Submitted Manuscripts Undergoing Peer Review

 

  1. Nwezza, E.E. and Acha, C. K. (2022)“On Robust Parameter Estimation for Phase I Linear Profile Monitoring- Scientia Africana

 

  1. Acha, C. K. (2022) Application of Bound Test on selected microeconomic variables. Journal of science and Sustainable Technology, MOUAU.

 

  1. Ogbonna, O.J. and Acha, C.K. (2023) Empirical Analysis of Currency Value and the Nigerian Economy. Journal of Applied Statistics.

 

  1. Iroburachi, A and Acha, C. K (2023) Spatial Analysis on the Spread of Cassava Mosaic Disease (CMD) in Ikwuano LGA in Abia State. Journal of Applied probability and Statistics.

 

  1. Acha, C. K. (2021) The impact of different correlated Bootstrap models in Simple Linear Regression. Journal of the Nigerian Statistical Association.

 

  1. Ahanonu, D. C and Acha, C.K. (2023) Probit Regression of Low Birth Weight in Imo State. Journal of probability and Applied Statistics.

 

  1. Acha, C. K. and Uko, O. U. (2023) Assessment of profitability indicators on Bank Performance in Abia state – Journal of the Nigerian Statistical Association

 

  1. Acha, C.K. (2023) Evaluation of the bootstrap methods at its pivot. Journal of the Nigerian Statistical Association.

 

  1. Acha, C.K. (2024). Application of Auto-Regressive Distributed Lag Model (ARDL) on selected macroeconomic variables. Journal of science and Sustainable Technology, MOUAU.

 

  1. Ekele A. I., Acha, C. K., Benson A., Ossai, E. O., Ugwu C. L. J.(2024). Factor Screening Approach to Modeling the Causality Variables in Female Genital Mutilation – Biometrica Journal.

 

  1. Acha, C. K. (2025) Africa Agenda 2063 and SDGs: The Prospects and Challenges of Food Security- 2nd Research and Innovation Fair Conference MOUAU 2025. Theme: Leveraging Endogenous Technologies for the Sustainable Development of the Nigerian Oil & Gas and Agro-Allied Industries.

CONFERENCES/WORKSHOPS/SEMINARS/ TRAININGS ATTENDED:

  1. 31st Annual Conference of the Nigerian Statistical Association (NSA) at Enugu, Enugu State, Nigeria, September 4th – 7th, 2007.

 

  1. 34th Annual Conference of the Nigerian Statistical Association (NSA) at Owerri, Imo State, Nigeria, September 22nd – 27th, 2010.

 

  1. 30th Annual Conference of the Nigerian Mathematical Society (NMS) at Federal University of Technology, Minna, Niger State, Nigeria, July 9th -22nd

 

  1. 1st International Conference and Exhibition Uyo 2013 – Organization for Women in Science for the Developing World (OWSD) at University of Uyo, Uyo, Akwa Ibom State, Nigeria, June 3rd – 6th , 2013.

 

  1. 24th Annual Conference of the Nigeria Statistical Association (NSA-PRS workshop) at Michael Okpara university of agriculture, Umudike, Abia State, Nigeria, November, 10th-14th, 2014.

 

  1. 39th Annual Conference of the Nigerian Statistical Association (NSA) at Multipurpose Hall, Local Government Service Commission Osun State Secretariat, Osogbo, Nigeria, September 9th – 11th, 2015.

 

  1. 14th Regional Scientific Conference of the Sub-Sahara Africa Network (SUSAN) of the International Biometric Society, at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, November 11-13, 2015.

 

  1. 1st International Conference of the Nigeria Statistical Society (NSS) on Statistical Research and it’s Applications at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, April 3-6, 2017.

 

  1. 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. 3rd International Conference of Professional Statisticians Society of Nigeria (PSSN) on Statistics, Democracy and Nation Building at Centre for Excellence, Ahmadu Bello University, Zaria, Nigeria, June, 2019.

 

  1. 4th International Conference of Professional Statisticians Society of Nigeria (PSSN) on Statistics In National Security and Industrial Revolution: (Virtual) Anchored from University of Ilorin Researchers’ Lodge, University of Ilorin, Nigeria. August, 2020.

      

  1. 5th International Conference of Professional Statisticians Society of Nigeria (PSSN) on Statistics for National Security and Socio-Economic Development at Zenith ICT Centre, University of Nigeria, Nsukka, Nigeria. July, 2021.

 

  1. 6th International Conference of Professional Statisticians Society of Nigeria (PSSN) on Statistics for Sustainable Development in the Post-Covid-19 Era at College Hall. Yaba College of Technology, Yaba, Lagos, Nigeria, September, 2022.

 

  1. Online certificate training on all module (ICDL Cyber Security, ICDL Online Collaboration, ICDL Presentation, and ICDL ICT in Education) organized by Fozzy at Michael Okpara University of Agriculture Umudike (MOUAU), which held 24 – 28 January 2022.

 

  1. Digital Bridge Institute : International Centre for Information and Communications Tech. Studies Training on Advanced Digital Appreciation Programme for Tertiary Institutions ( Statistical Package For Social Sciences) at Michael Okpara University of Agriculture Umudike From February 28 – March 04 2022.

 

  1. Ethics and Orientation Lecture for Joint Association of Physical and Applied Sciences (JAPASS) in College of Physical and Applied Sciences (COLPAS).

 

  1. World Statistics Celebration 2020 on 28 OCT. 2020.

 

  1. Third LISA 2020 Symposium 27 September – 3 December 2020 Location: Virtual + Umudike, Nigeria.

 

  1. LISA 2020 Symposium at Imo State University (IMSU) LISA Owerri, 28 December 2020.

 

  1. International Association for Official Statistics conference. The Hague. The seat of government and administrative centre of the Netherlands, on the North Sea coast, capital of the province of South Holland. The 63rdISI World Statistics Congress held virtually from 11 – 16 July 2021.

 

  1. Worthy Information for Challenging Times”, organized by IAOS together with Statistics Poland in Krakow, Poland on April 26-28, 2022.

 

  1. The IAOS Training course on small area estimation (SAE) organized by IAOS together with Statistics Poland in Krakow, Poland on April 25 2022 conducted by Professor Partha Lahiri.

 

  1. Short Course in Introduction to Beyesian Data Analysis Method organized by the 17th International Association for Official Statistics Conference and 3rd International Statistical Institute Regional Statistics Conference held in Livingstone, Zambia from 4-6 April 2023. Jointly organized by the International Association for Official Statistics, International Statistical Institute and the Zambia Statistics Agency – ZamStats

Papers Presented at Conferences:

  1. Omekara, C. O. and Acha, C. K. “Multivariate Analysis of the Performance of Students Using Hotelling T2 Statistic”. A paper presented at the 34th Annual Conference of the Nigerian Statistical Association (NSA) at Owerri, Imo State, Nigeria, September 22nd – 27th, 2010.

 

  1. Nwogu, E. C. and Acha, C. K. “Age of Birds at Optimal Production of Eggs: A Polynomial Regression Analysis”. A paper presented at the 30th Annual Conference of the Nigerian Mathematical Society (NMS) at Federal University of Technology, Minna, Niger State, Nigeria, July 9th -22nd

 

  1. Acha, C. K. “Trend, Level, Differentials and Prediction of Gender Equality and Women Empowerment in Nigeria” A paper presented at 1st International Conference and Exhibition Uyo 2013 – Organization for Women in Science for the Developing World (OWSD) at University of Uyo, Uyo, Akwa Ibom State, Nigeria, June 3rd – 6th , 2013.

 

  1. Acha C. K., and Nwabueze J. C. “Restricted and Unrestricted Methods of Bootstrap Data Generating Processes” A paper presented at 39th Annual Conference of the Nigerian Statistical Association (NSA) at Multipurpose Hall, Local Government Service Commission Osun State Secretariat, Osogbo, Nigeria, September 9th – 11th, 2015.

 

  1. Acha C. K., “The Efficiency of Malaria Drugs on Children Under Age Five in Nigeria,” D10, Scientific Session 2.Group 2, A paper presented at 14th Regional Scientific Conference of the Sub-Sahara Africa Network (SUSAN) of the International Biometric Society, at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, November 11-13, 2015.

 

  1. Acha, C. K. and Acha, I. A “Application of Bootstrap Data Generating Processes on the Nigerian Capital Market” Day 2-05 April 2017: C9 in NSS book of abstract, A paper presented at 1st International Conference of the Nigeria Statistical Society (NSS) on Statistical Research and it’s Applications at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, April 3-6, 2017.

 

  1. Acha, C. K. “An Investigation of Parametric and Nonparametric Bootstrap Data Generating Processes” Day 2-05 April 2017: C15 in NSS book of abstract, A paper presented at 1st International Conference of the Nigeria Statistical Society (NSS) on Statistical Research and it’s Applications at University of Ibadan (UI) Conference Center, University of Ibadan, Ibadan, Nigeria, April 3-6, 2017.

 

  1. Acha C.K. and Umezurike C. “Empirical Assessment of Selected Financial Indicators and Nigeria Gross Domestic Product” Day 1-10 April, 2018: Group 4- D3 in NSS book of abstract, A paper presented at 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K. and Amalahu, C. C. “A Study of Interactions between Some Selected Economic Variables and their Implications on Nigerian Economy” Day 1-10 April, 2018: Group 4- D4 in NSS book of abstract. A paper presented at 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods in Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K., and Iwuji C. “A Meta Goal Programming Model with Mixed-Integer Variables: Application in Multi-Product Manufacturing Systems” Day 1-10 April, 2018: Group 4- D5 in NSS book of abstract, A paper presented. A paper presented at 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods in Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K., and Iwuji C. “A Mixed-Integer Lexicographic Goal Programming Model for Achieving Estimated Targets in Multi-Product Systems” Day 2-11 April, 2018: Group 4- D14 in NSS book of abstract. A paper presented at 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods in Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Nwezza, E.E. and Acha, C. K. “On Robust Parameter Estimation for Phase I Linear Profile Monitoring” Day 2-11 April, 2018: Group 4- C26 in NSS book of abstract, A paper presented at 2nd International Conference of the Nigeria Statistical Society (NSS) on Statistical Methods In Big Data Research: Challenges & Prospects in Modeling Climate Change, at CES building, University of Calabar, Calabar, Cross River State, Nigeria, April 10-12, 2018.

 

  1. Acha, C. K. (1999). “Time Management” Ethics and Orientation Lecture for Joint Association of Physical and Applied Sciences (JAPASS) in College of Physical and Applied Sciences (COLPAS).

 

  1. Acha, C. K. (2020). “Connecting the World with Data We Can Trust (The Nigerian Case)” World Statistics Celebration 2020 through IAOS, Nigeria. A virtual paper presented on 28 0CT. 2020.

 

  1. Acha, C. K. (2020). “Introduction to SPSS and R-Software packages”. A paper presented at third LISA 2020 Symposium 27 September – 3 December 2020 Location: Virtual + Umudike, Nigeria.

 

  1. Acha, C. K. (2020). “Introduction to Machine Learning”. . A paper presented at first LISA 2020 Symposium at Imo State University (IMSU) LISA Owerri, 28 December 2020.

 

  1. Acha, C. K. and Popoola O. P. (2021) “Revolutionizing Official Statistics in Nigeria” – invited paper- [IAOS – International Association for Official Statistics, Nigeria] The Hague. The seat of government and administrative centre of the Netherlands, on the North Sea coast, capital of the province of South Holland. The 63rdISI World Statisics Congress held virtually from 11 – 16 July 2021.
  2. Acha, C. K. and Popoola O. P. (2022) “Challenges of big data for official statistics in Africa”, focusing on “Worthy Information for Challenging Times”, organized by IAOS together with Statistics Poland in Krakow, Poland on April 26-28, 2022.

 

  1. Acha and Popoola (2022). “Challenges of achieving sustainable development goals in Africa in an uncertain age”, focusing on “Worthy Information for Challenging Times”, organized by IAOS together with Statistics Poland in Krakow, Poland on April 26-28, 2022.

 

  1. Acha, C. K. (2023). “Africa agenda 2063 and SDGs : prospects and Challenges” ,A paper presented at the 17th International Association for Official Statistics Conference and 3rd International Statistical Institute Regional Statistics Conference (Better Lives 2030: Mobilising the power of data for Africa and the world)held in Livingstone, Zambia from 4-6 April 2023. It is jointly organized by the International Association for Official Statistics, International Statistical Institute and the Zambia Statistics Agency – ZamStats.

 

  1. Acha, C. K. and Isaac Fwemba (2023). “ Bayesian Approaches for using historical controls to evaluate the public health intervention effectiveness” A paper presented at the 17th International Association for Official Statistics Conference and 3rd International Statistical Institute Regional Statistics Conference (Better Lives 2030: Mobilising the power of data for Africa and the world)held in Livingstone, Zambia from 4-6 April 2023. It is jointly organized by the International Association for Official Statistics, International Statistical Institute and the Zambia Statistics Agency – ZamStats.

 

  1. Acha C.K., Mensah, F. B., Madu,B., Barrow, S., and Sonii, B. (2023). “Challenges of Measuring Specific Economic Activities of Sub-Regional West African Countries: The Gambia, Nigeria, Liberia and Ghana”, accepted for presentation at the 64th WSC 2023, to be held 16-20July in Ottawa, Canada. Available Online@ https://www.isi2023.org/proposals/15/?category=20

 

  1. Awad-Shakhshir, O., Carfagna, E., Jansen, R., Popoola, O. P., Hanivan, H., and Acha, C.K. (2023) “Fourth Industrial Revolution, Data Science and the Future of Official Statistics”, accepted for presentation at the 64th WSC 2023, to be held 16-20 July in Ottawa, Canada. Available Online@ https://www.isi2023.org/proposals/15/?category=20

 

MEMBERSHIP OF PROFESSIONAL BODIES:

  • InternationalStatistical Literacy Project – ISLP representative, Nigeria.
  • Member of International Member, Professional Statisticians Society of Nigeria (PSSN)
  • Member of IAOS Scientific Program Committee 2022, Statistics Poland in Krakow, Poland
  • Member, International Biometric Society (IBS)
  • Member, International Statistical Institute (ISI)
  • Member, International Association for Official Statistics (IAOS)
  • Member, International Association of Statistical Computing (IASC)
  • Member, Nigerian Statistical Society (NSS)
  • Member, Nigerian Statistical Association (NSA)
  • Member, International Biometric Society (IBS).
  • Member, Women in Statistics
  • Member, Nigerian mathematical Society(NMS)
  • Member, Nigerian Association of Mathematical Physics (NAMP)
  • Member, America Mathematical Society (AMS)

Graduate Student’s Supervisions:

S/No

NAME

REG. No

TITLE

1.      

Uko Onwukwe Uko

15/5621

Simultaneous Equation of Balance Payment and Exchange Rate

2.      

Ogbonna Okezie Joseph

15/5764

Application of Ridge Regression on Macro-Economic Indicators

3.      

Bayim Cyril Akatok

16/10287

Bayesian and Garch Approach of Modeling Volatility: A Comparative Analysis

4.      

Ekeke, Ndianabasi John

17/11362

An analysis of the relationship between sex and thumbprint patterns of a population in Nigeria.

5.      

Bassey, Udaukobong Aniefiok

18/12289

Regression analysis of the relationship among blood pressure, age, gender and body weight

 

CONTACT INFORMATION
Office Address: Room 113, COLPAS Block 2 Building, MOUAU.
Email: acha.kelechi@mouau.edu.ng

Alternative Email: uniquechigo@gmail.com

Tel: +234-8037607057