info@chuka.ac.ke | 020 231 0512/ 020 231 0518
info@chuka.ac.ke | 020 231 0512/ 020 231 0518

Dr. Dennis K. Muriithi, Ph.D

Dr. Dennis K. Muriithi, Ph.D

Senior Lecturer (Statistics/Applied Statistics)

Email: dkariuki@chuka.ac.ke

Faculty of Science Engineering and Technology

Department of Physical science

Biography

Teaching

Outputs

Research/PhD

FIELD OF SPECIALIZATION
Applied Statistics, Multivariate Analysis, Response Surface Methodology, Statistical Modeling, Statistical Quality Control and Decision Theory, Parametric Regression Analysis; Financial Statistics. Among others

PROFESSIONAL MEMBERSHIP & AFFILIATION
The international Biometric Society (Washinhton DC and Kenya chapter): National/Professional Development
12/2012~12/2018: Patron (Economics & Statistics Club), Chuka UniversitY

WORK EXPERIENCE
9/2020~9/2023-Academic Leader, School of Pure & Applied Science, Garissa University
7/2020~date Board Member in the Directorate of Quality Assurance, Chuka University
6/2019~date Senior Lecturer, Chuka University
6/2016~6/2019Lecturer,Chuka University
11/2012~6/2016 Assistant Lecturer,Chuka University
1/2017~date Internal Examiner (MSc Thesis), Chuka University
1/2016~date Peer Reviewer Member,American Journal of Theoretical and Applied Statistics
4/2013~date Research Committee ,Member Chuka University
12/2012~12/2018 Patron(Economics & statistics Club) ,Chuka University
1/2010~12/2012 Assistant Monitoring & Evaluation Officer(CKDAP),Ministry of planning, Kenya
12/2009~12/2012 Field Operations Officer(CEISP) ,Ministry of Planning, Kenya
9/2009~date Freelance Statistical Consultants, Based in Nairobi Kenya

EDUCATION
2018 PhD- Bio-Statistics Moi University
2011 Master of Science in Applied Statistics JKUAT
2009 Certified Public Accountant KASNEB
2007 Bachelor of Science (Honours) Egerton University

KEY RESEARCH PROJECTS
Modeling and Optimization of Multiple Responses of Watermelon to Organic Manure Using Response Surface Methodology.(2016~2017)
RECENT PUBLICATIONS
1. D.K. Muriithi. (2019). Application of Simplex Lattice Design in Watermelon Production, Journal of Mathematical Theory and Modeling, Vol. 9, No. 1, pp. 104-111
2. D.K. Muriithi. (2018). Application of Desirability Function for Optimization of Multiple Responses of Watermelon Using Organic Manure, Journal of Environmental Sustainability Advancement Research, 4:6-14
3. D.K. Muriithi, J. K. Arap Koske, Geofrey K. Gathungu.(2017). Application of Central Composite Design Based Response Surface Methodology in Parameter Optimization of Watermelon Fruit Weight Using Organic Manure. American Journal of Theoretical & Applied Statistic, Vol. 6, No. 2, pp. 108-116. doi: 10.11648/j.ajtas.20170602.16
4. D.K. Muriithi, J. K. Arap Koske, Geofrey K. Gathungu.(2017). The Optimization of Multiple Responses of Watermelon to Organic Manure Using Response Surface Methodology, European International Journal of Science and Technology, Vol. 6 No. 2, pp.52-70
5. Kirimi.P.N, Justo Simiyu, Murithi D.K.(2017). Effect of Debt Finance on Financial Performance of Savings and Credit Cooperative Societies in Maara Sub-county, TharakaNithi County, Kenya. International Journal of Accounting, Finance and Risk Management. Vol. 2, No. 5, pp. 113-130. doi: 10.11648/j.ijafrm.20170205.11
6. D.K.Muriithi.(2015). Application of Response Surface Methodology for Optimization of Potato Tuber Yield. American Journal of Theoretical and Applied Statistics. Vol.4(4) pp. 300-304 (http://www.sciencepublishinggroup.com/j/ajtas)
7. D.K.Muriithi, A.N.Ngeretha and R.G. Muriungi (2014). Analysis of The Fluctuation of Gross Domestic Product in Kenya Using Autoregressive Integrated Moving Average Model. Journal of Statistics: Advances in Theory and Applications, Vol. 11(1) pages 31-43
8. D.K. Muriithi, G.G Njoroge, M.O.Okongo and E.W.Njoroge (2013). Classification of Higher Education Loans Using Multinomial Logistic Regression Model. Journal of Mathematical Sciences: Advances and Applications, Vol. 22, pp.1-17
9. D.K.Muriithi, J.Kihoro and A.Waititu (2012).Ordinal Logistic Regression Versus Multiple Binary Logistic Regression model for predicting student loan allocation. Journal of Agriculture Science and Technology Vol. 14(1), pp 190-203
10. Muriithi.D.M and D.K.Murithi(2015).Determination of Infant and Child Mortality in Kenya Using Cox-Proportional Hazard Model. American Journal of Theoretical and Applied Statistics. Vol.4(5) ((http://www.sciencepublishinggroup.com/j/ajtas)
11. E.W.Njoroge, G.G Njoroge and D.K Muriithi (2014). Evaluating Secondary School Examination Results: Application of Principal Component Analysis. Journal of Statistical and Econometric Methods,Vol,3(2) pp.31-46
12. Okongo.M.O, J kirimi, AL Murwayi and D.K.Muriithi. (2013). Mathematical Analysis of a Comprehensive HIV AIDS Model: Treatment versus Vaccination. Applied Mathematical Sciences,Vol. 7 (54), pp2687-2707(HIKARI Ltd, www.m-hikari.com)
13. Muriithi.M.M and D.Muriithi (2015).Influence of Gender in the Saving Culture of Sacco Members in Nyandarua County, Kenya. Journal of Investment and Management. Vol. 4(1) pp. 14-24
14. Namu N.N, Kaimba G.K, D.K.Muriithi and Nkari I.M. (2014). Impact of cost reduction strategies on performance of tea factories in Embu County, Kenya. European Journal of Business and Social Sciences Vol. 3 (9). Pp 26-48 (URL: http://www.ejbss.com)
15. Muguongo.M.M, Andrew T. Muguna and D. K..Muriithi (2015). Effects of Compensation on Job Satisfaction among Secondary Teachers in Maara Sub-County of Tharaka Nithi county, Kenya. Journal of Human Resource Management. Vol. 3(6) pp. 47-59

RESEARCH INTEREST
1.Optimization using Response Surface Methodology in Agriculture
2.Synergistic Optimization of Selected Plant Extracts on potency of Botanical Formulations against the Maize Weevil, Sitophilus Zeamais (Motsch.) (Coleoptera: Curculionidae): An Application of Mixture Design and Response surface Methodology
3.Development of a stochastic model for the HIV/AIDS, Tuberculosis and Malaria co infections in the presence of Anti- retroviral treatment.

POSTGRADUATE TOPICS SUPERVSED
Total Number of topics supervised:17

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