| 1 | Chrisogonus K. Onyekwere, Obioma C. Aguwa, Okechukwu J. Obulezi. (2025, June), "An Updated Lindley Distribution: Properties, Estimation, Acceptance Sampling, Actuarial Risk Assessment and Applications", Innovation in Statistics and Probability, Vol. 1, (Issue 1), pp 1-27 |
| 2 | Gabriel O. Orji, Harrison O. Etaga, Ehab M. Almetwally, Chinyere P. Igbokwe, Obioma C. Aguwa, Okechukwu J. Obulezi. (2025, July), "A New Odd Reparameterized Exponential Transformed-X Family of Distributions with Applications to Public Health Data", Innovation in Statistics and Probability, Vol. 1, (Issue 1), pp 88-118 |
| 3 | Okechukwu J. Obulezi, Happiness O. Obiora-Ilouno, George O. Osuji, Mohammed Kayid, Samson O. Balogun. (2025, March), "Weibull Sine Generalized Distribution Family: Fundamental Properties, Sub-model, Simulations, with Biomedical Applications", Electronic Journal of Applied Statistical Analysis, Vol. 18, (Issue 1), pp 183-212 |
| 4 | Oha Franklin Charles, Etaga Harrison O., Ibeakuzie Precious O., Anabike Ifeanyi Charles, Okechukwu J. Obulezi*. (2024, January), "Power XShanker Distribution: Properties, Estimation, and Applications", Engineering Open Access, Vol. 2, (Issue 1), pp 1-20 |
| 5 | Prince O Chukwuma, Etaga O Harrison, Precious Ibeakuzie, Ifeanyi C Anabike and Okechukwu J Obulezi*. (2024, January), "A new reduced quantile function for generating families of distributions", Annals of Mathematics and Physics, Vol. 7, (Issue 1), pp 01-15 |
| 6 | Divine-Favour Ngozi Ekemezie, Okechukwu Jeremiah Obulezi. (2024, June), "The Fav-Jerry Distribution: Another Member in the Lindley Class with Applications", Earthline Journal of Mathematical Sciences, Vol. 14, (Issue 4), pp 793-816 |
| 7 | Chinedu EbereChukwu Queensley, Obulezi Okechukwu Jeremiah. (2024, August), "Optimizing GARCH Models for Financial Volatility", Risk Assessment and Management Decisions, Vol. 1, (Issue 1), pp 62-74 |
| 8 | B.C Nwankwo, H. O. Obiora-Ilouno, F. A. Almulhim, M. A. Mustafa, O. J. Obulezi. (2024, March), "Group Acceptance Sampling Plans for Truncated Life Tests based on Type-I Heavy-Tailed Exponential Distribution", AIP Advances, Vol. 14, (Issue 3), pp 1-13 |
| 9 | EbereChukwu Q. Chinedu, Queensley C. Chukwudum , Najwan Alsadat , Okechukwu J. Obulezi * , Ehab M. Almetwally, Ahlam H. Tolba*. (2023, October), "New Lifetime Distribution with Applications to Single Acceptance Sampling Plan and Scenarios of Increasing Hazard Rates", Symmetry, Vol. 15, (Issue 1881), pp 1-33 |
| 10 | Okechukwu J. Obulezi, Bright Chimezie Nwankwo, Mmesoma P. Nwankwo, Ifeanyi C. Anabike, Chinyere P. Igbokwe5, Callista N. Igwebudu. (2023, November), "Modeling Mortality Rate of COVID-19 Patients in the United Kingdom, Canada, and the Survival Rate of COVID-19 Patients in Spain", Journal of Xidian University, Vol. 17, (Issue 11), pp 520-538 |
| 11 | Oramulu O. Dorathy, Igbokwe P. Chinyere, Anabike C. Ifeanyi, Etaga O. Harrison, Okechukwu J. Obulezi. (2023, July), "Simulation Study of the Bayesian and Non-Bayesian Estimation of a new Lifetime Distribution Parameters with Increasing Hazard Rate", Asian Research Journal of Mathematics, Vol. 19, (Issue 9), pp 183-211 |
| 12 | Anabike Ifeanyi Charles, Igbokwe Chinyere Perpetua, Chrisogonus Kelechi Onyekwere, Okechukwu Jeremiah Obulezi. (2023, April), "Inference on the Parameters of Zubair-Exponential Distribution with Application to Survival Times of Guinea Pigs", Journal of Advances in Mathematics and Computer Science |
| 13 | Chidera F. Innocent , Omoruyi A. Frederick , Edidiong M. Udofia , Okechukwu J. Obulezi*. (2023, May), "Estimation of the Parameters of the Power Size Biased Chris-Jerry Distribution", International Journal of Innovative Science and Research Technology |
| 14 | Okechukwu J. Obulezi* , Ifeanyi C. Anabike , Orji G. Oyo , Etaga Harrison O., Chinyere P. Igbokwe. (2023, May), "Marshall-Olkin Chris-Jerry Distribution and its Applications", International Journal of Innovative Science and Research Technology |
| 15 | Musa, Abuh, Onyeagu, Sidney I. and Okechukwu J. Obulezi*. (2023, May), "Comparative Study Based on Simulation of Some Methods of Classical Estimation of the Parameters of Exponentiated Lindley – Logarithmic Distribution", Asian Journal of Probability and Statistics, Vol. 22, (Issue 4), pp 14-30 |
| 16 | Musa, Abuh, Onyeagu, Sidney I. and Okechukwu J. Obulezi*. (2023, May), "Exponentiated Power Lindley-Logarithmic Distribution and its Applications", Asian Research Journal of Mathematics, Vol. 19, (Issue 8), pp 47-60 |
| 17 | Bright Chimezie Nwankwo, Joan Nmesoma Orjiakoh, Mmesoma P. Nwankwo, Ejiofor Innocent Mary Ifedibalu Chukwu, Okechukwu J. Obulezi*. (2023, October), "A New Distribution for Modeling both Blood Cancer Data and Median Effective Dose (ED50) of Artemether-Lumefantrine against P. falciparum", Earthline Journal of Mathemattical Sciences, Vol. 14, (Issue 1), pp 41-62 |
| 18 | Obulezi Okechukwu Jeremiah*, Obiorah Emmanuella Ujunwa, Anabike Charles Ifeanyi, Igbokwe Chinyere Perpetua. (2023, December), "The Exponentiated Power Chris-Jerry Distribution: Properties, Regression, Simulation and Applications To Infant Mortality Rate and Lifetime of COVID-19 Patients", Twist, Vol. 18, (Issue 4), pp 328-337 |
| 19 | Nwankwo M Peace, Bright Chimezie Nwankwo, Okechukwu J Obulezi*. (2023, October), "The Exponentiated Power Akash Distribution: Properties, Regression, and Applications to Infant Mortality Rate and COVID-19 Patients’ Life Cycle", Annals of Biostatistics and Biometric Applications, Vol. 5, (Issue 4), pp 1-12 |
| 20 | EbereChukwu Q. Chinedu, Emmanuel Chibuogu Asogwa, Belonwu Tochukwu Sunday, Ndukaku Macdonald Onyeizu, Okechukwu J. Obulezi*. (2023, December), "Unraveling Emotions: Contemporary Approaches in Sentiment Analysis", Journal of Sensor Networks and Data Communications, Vol. 3, (Issue 1), pp 239-246. |
| 21 | Ahlam H. Tolba*, Chrisogonus K. Onyekwere , Ahmed R. El-Saeed, Najwan Alsadat, Hanan Alohali, Okechukwu J. Obulezi. (2023, August), "A New Distribution for Modeling Data with Increasing Hazard Rate: A Case of COVID-19 Pandemic and Vinyl Chloride Data.", Sustainability, Vol. 15, (Issue 1278), pp 1-31 |
| 22 | Harrison O. Etaga , Chrisogonus K. Onyekwere , Dorathy O. Oramulu, Okechukwu J. Obulezi*. (2023, September), "A New Modification of Rani Distribution with More Flexibility in Application", Scholars Journal of Physics, Mathematics and Statistics, Vol. 10, (Issue 7), pp 160-176 |
| 23 | Dorathy O. Oramulu , Harrison O. Etaga , Azubuike J. Onuorah , Okechukwu J. Obulezi*. (2023, September), "A New Member in the Lindley Class of Distributions with Flexible Applications", Scholars Journal of Physics, Mathematics and Statistics, Vol. 10, (Issue 7), pp 148-159 |
| 24 | Harrison O. Etaga , Mmesoma P. Nwankwo , Dorathy O. Oramulu , Okechukwu J. Obulezi*. (2023, September), "An Improved XShanker Distribution with Applications to Rainfall and Vinyl Chloride Data", Scholars Journal of Engineering and Technology, Vol. 11, (Issue 9), pp 212-224 |
| 25 | Mmesoma Peace Nwankwo, Ndukaku Macdonald Onyeizu, Emmanuel Chibuogu Asogwa, Chukwuogo Okwuchukwu Ejike, Okechukwu J. Obulezi*. (2023, September), "Prediction of House Prices in Lagos-Nigeria Using Machine Learning Models", European Journal of Theoretical and Applied Sciences, Vol. 1, (Issue 5), pp 313-326 |
| 26 | Harrison O. Etaga, Ekwuribe C. Celestine, Chrisogonus K. Onyekwere, Ifunanya L. Omeje, Mmesoma P. Nwankwo, Dorathy O. Oramulu, Okechukwu J. Obulezi*. (2023, September), "A New Modification of Shanker Distribution with Applications to Increasing Failure Rate Data", Earthline Journal of Mathemattical Sciences, Vol. 13, (Issue 2), pp 509-526 |
| 27 | Harrison O. Etaga, Mmesoma P. Nwankwo, Dorathy O. Oramulu, Ifeanyi C. Anabike, Okechukwu J. Obulezi. (2023, December), "The Double XLindley Distribution: Properties and Applications", Scholars Journal of Physics, Mathematics and Statistics, Vol. 10, (Issue 10), pp 192-202 |
| 28 | Harrison O. Etaga, Chrisogonus K. Onyekwere, Omeje Ifunanya Lydia, Mmesoma P. Nwankwo, Dorathy O. Oramulu, Okechukwu J. Obulezi. (2023, December), "Estimation of the Xrama Distribution Parameter Under Complete and Progressive Type-II Censored Schemes", Scholars Journal of Physics, Mathematics and Statistics, Vol. 10, (Issue 10), pp 203-219 |
| 29 | Okechukwu J. Obulezi* ,Chinyere P. Igbokwe, Ifeanyi C. Anabike. (2023, June), "Single Acceptance Sampling plan based on Truncated Life Tests for Zubair-Exponential Distribution", Earthline Journal of Mathemattical Sciences, Vol. 13, (Issue 1), pp 165-181 |
| 30 | Okechukwu J. Obulezi, Eberechukwu Q. Chinedu, Dorathy O. Oramulu, Harrison O. Etaga, Ndukaku M. Onyeizu, Chukwuogo Okwuchukwu Ejike. (2023, September), "MACHINE LEARNING MODELS FOR PREDICTING TRANSPORTATIONCOSTS INFLATED BY FUEL SUBSIDY REMOVAL POLICY IN NIGERIA", International Research Journal of Modernization in Engineering Technology and Science, Vol. 5, (Issue 9), pp 1053-1070 |
| 31 | Okechukwu J. Obulezi, Ifeanyi C. Anabike, Grace C. Okoye, Chinyere P. Igbokwe, Harrison O. Etaga, Chrisogonus K. Onyekwere. (2023, June), "The Kumaraswamy Chris-Jerry Distribution and its Applications", Journal of Xidian University, Vol. 17, (Issue 6), pp 575-591 |
| 32 | Henry Chukwuemeka Onuoha, George A. Osuji, Harrison O. Etaga, Okechukwu J. Obulezi *. (2023, June), "The Weibull Distribution with Estimable Shift Parameter", Earthline Journal of Mathemattical Sciences, Vol. 13, (Issue 1), pp 183-208 |
| 33 | Frederick Omoruyi, Ifunanya Lydia Omeje, Anabike Charles Ifeanyi, Okechukwu J. Obulezi*. (2023, July), "A New Variant of Rama Distribution with Simulation Study and Application to Blood Cancer Data", European Journal of Theoretical and Applied Sciences, Vol. 1, (Issue 4), pp 389-409 |
| 34 | Chrisogonus K. Onyekwere, Chukwuemeka N. Okoro, Okechukwu J. Obulezi, Edidiong M. Udofia, Ifeanyi C. Anabike. (2022, September), "Modification of Shanker Distribution using Quadratic Rank Transmutation Map", Journal of Xidian University, Vol. -216 |
| 35 | Chrisogonus K. Onyekwere, Okechukwu J. Obulezi. (2022, September), "Chris-Jerry Distribution and Its Applications", Asian Journal of Probability and Statistics, Vol. 20, (Issue 1), pp 16-30 |
| 36 | Umeh Edith Uzoma, Obulezi Okechukwu Jeremiah. (2016, February), "An Alternative Approach to AIC and Mallow’s Cp Statistic-Based Relative Influence Measures (RIMS) in Regression Variable Selection", Open Journal of statistics, Vol. 6, (Issue 1), pp 70-75 |
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