Faculty <br /> of Applied Sciences
Faculty
of Applied Sciences

Dr. K.W.S.N.Kumari

Prof. K.W.S.N. Kumari

Associate Professor

Ph.D. in Mathematics(Universiti Brunei Darussalam)
M.Sc. in Applied Statistics(PGIA, Peradeniya)
B.Sc. Special in Statistics(Jayewardenepura)
Email :sandya@uwu.ac.lk
Phone : +94 552226676

Research Interest

  • Time Series Modeling and Forecasting
  • Option Pricing and Stochastics Volatility Analysis
  • Marketing and Business Modeling
  • Health Science and Education Studies

Publications

Y.M.S.S. Yapa, S.N. Kumari., S.R. Jayasinghe, T.H.N.G. Amaraweera, (2021). Improve Patient Safety Practices in the Out Patient Department of Oral Health Care Clinics; A Case Study: The Regional Director of Health Services in Badulla District; Sri Lanka, International Journal of Scientific and Research Publications, 11(6), pp. 390-402. https://doi.org/10.29322/IJSRP.11.06.2021.p11452

Y.M.S.S. Yapa1, S.N. Kumari., S.R. Jayasinghe, T.H.N.G. Amaraweera, (2021). Private or Public Sector Oral Health Care Service Trends in Area with Agro Based Economy in Sri Lanka A Case Study in Mahiyanganaya Divisional Secretariat Area, International Journal of Scientific and Research Publications, 11(6), pp. 351-363. https://doi.org/10.29322/IJSRP.11.06.2021.p11446

Kumari, K. W. S. N., Jayasinghe, G. J. M. S. R., (2021), Undergraduate Students’ Readiness for Blended Learning during COVID – 19 Pandemic in Sri Lanka: Investigating the availability of resources, characteristics of learners, technological skills and their belief on this method with compared to other learning methods”, Journal of Contemporary Issues in Business and Government, 27(2), pp. 6012-6020. https://doi.org/10.47750/cibg.2021.27.02.599

P.I.N. Fernando, K.W.S.N. Kumari, (2021), Learning to Live with Covid-19: MSMEs Perception and Strategies on Business Promotions, Uva region-Sri Lanka, European Journal of Business and Management, 13(10), pp. 33-40,https://doi.org/10.7176/EJBM/13-10-03

Roshani W. Divisekara, G. J. M. S. R. Jayasinghe, K. W. S. N. Kumari, (2021), Forecasting the red lentils commodity market price using SARIMA models, SN Business and Economics, Springer Nature, 1:20, pp 1-13. https://doi.org/10.1007/s43546-020-00020-x

Tharaga Sharmilan, Iresha Premarathne, Indika Wanniarachchi, Sandya Kumari, and Dakshika Wanniarachchi, (2020), Electronic Nose Technologies in Monitoring Black Tea Manufacturing Process, Hindawi, Journal of Sensors, 2020, pp 1-8. https://doi.org/10.1155/2020/3073104

Anuradha, U.A.D.N., Kumari, K.W.S.N. and Chathuranga, K.W.S. (2020). Human Detection and Following Robot. International Journal of Scientific & Technology Research. 9 (3), pp. 6359-6363

Kumari K. W. S. N. (2020), Lévy Processes in Gold Option Modeling, International Journal of Economics and Finance. 12(2), pp. 65-8. https://doi.org/10.5539/ijef.v12n2p65

Kumari, K.W.S.N., Jayasinghe, G.J.M.S.R., Sampath, J.K.H. (2020), Employee Motivation Factors in Banking Sector: A Study on Qualitative and Quantitative Analysis. In: Journal of Social and Political Sciences, Vol.3, No.1, 32-38. https://doi.org/10.31014/aior.1991.03.01.144

Tharaga Sharmilana , Duleesha Manoharib , Indika Wanniarachchic , Sandya Kumari, Dakshika Wanniarachchi. (2020), Classification and Identification of Volatile Organic Solvents based on Functional Groups using Electronic Nose, International Journal of Sciences: Basic and Applied Research (IJSBAR), 54 (3), pp. 158-173.

Kumari K. W. S. N. (2019). Scaling of Student T-Distribution and Properties of Lévy-Student Process. International Journal of Scientific & Technology Research, 8(8): 106-110.

Kumari K. W. S. N. , Jayawardana, J. M. D. R. and Jayasinghe, J. M. P. (2019). Identifications of the Major Factors That Influence Milk Production: The Case of Dairy Farmers in Badulla District, Sri Lanka, International Journal of Livestock Production, 10(7): 182-187. https://doi.org/10.5897/IJLP2018.0566

Kumari K. W. S. N. , Jayasinghe, G. J. M. S. R. and Sampath, J. K. H. (2019). Factor Variation on Job Satisfaction of Banking Employees: A Comparative Study on Public and Private Banks. Journal of Economics and Business, 2(4): 1321-1327. https://doi.org/10.31014/aior.1992.02.04.171.

Kumari K. W. S. N. and Jayarathna, H. L. D. K. (2019). Predicting Income and Feasible Loan Amount for a Household Unit (Expenditure Analysis of Badulla District, Sri Lanka). Journal of Developing Country Studies, 9(6): 84-90.https://doi.org/10.7176/DCS/9-6-11

Tharaga, S., Wanniarachchi, W. K. I. L., Kumari, K. W. S. N. and Wanniarachchi, D. D. C. (2019). E-Nose’- Design and Testing of an Electronic Device for Aroma Detection. Journal of the Sri Lanka Association for the Advancement of Science, 2(1): 38-49.

Kumari K. W. S. N. and Tan, A. (2018). Modeling and Forecasting Volatility Series: With Reference to Gold Price. Thailand Statistician, 16(1): 77-93. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/110210

Fernando, P. I. N., Kumari, K. W. S. N. and Rajapaksha, R. M. P. D. K (2017). Destination Marketing to Promote Tea Tourism Socio-Economic Approach on Community Development. International Review of Management and Business Research, 6(1): 68-75.

Fernando, P. I. N., Rajapaksha, R. M. P. D. K. and Kumari,K. W. S. N., (2016). Tea Tourism as a Marketing Tool: a Strategy to Develop the Image of Sri Lanka as an Attractive Tourism Destination. Kelaniya Journal of Management. 5(2): 64–79. https://doi.org/10.4038 /kjm.v5i2.7518

Kumari, S. N., and Tan, A. (2013). Characterization of Student’s T-distribution with some Application to Finance. Mathematical Theory and Modeling, 3(10): 1-9.
https://www.iiste.org/Journals/index.php/MTM/article/view/7077

Kumari, S. N. and Tan, A. (2013). Asset Return Distribution and Its Application to Gold Future Index. GSTF Journal of Mathematics, Statistics and Operation Research, 2(1): 72-76. https://doi.org/10.4038 /kjm.v5i2.7518

Kumari K. W. S. N. (2011). Forecasting Seasonal Paddy Production in Sri Lanka using Time Series Approach. Journal of Business Management, Vavuniya Campus of the University of Jaffna, 3: 64-72.

Conference Proceedings

Challapalli Jhansi Rani , Nagaraju Devarakonda , K.W.S.N Kumari , Pallavi Malavath, (2021), A Monadic And Effective Frame Work For Single Human Pose Estimation of 2D Images And Videos, Proceedings of 2nd International Conference on Image Processing and Capsule Networks. (ICIPCN2021), 27 – 28, May 2021

Thevathayarajh, T., Wanniarachchi, D. D. C. and Kumari, K. W. S. N. (2019). A Digital Device to Monitor the Colour Changes during Fermentation Stage of Black Tea Processing. Proceedings of International Conference on Recent Advances in Computer Science and Engineering ( IC-RACE 2019), India. pp. 75-79.

Liyanapathirana, B. C. and Kumari, K.W.S.N. (2019). Automation of Postal Registration in Sri Lanka. Proceedings of International Conference on Recent Advances in Computer Science and Engineering (IC-RACE 2019), India. pp. 186-189.

Tharaga, S., Watawana, B. J., Wanniarachchi, W. K. I. L., Kumari, K. W. S. N. and Wanniarachchi, D. D. C. (2018). Significance of Physical Parameters to Optimize the Bed Tea Leaves’ Temperature during Fermentation Stage of Black Tea Manufacturing Process. IEEE International Conference on Information and Automation for Sustainability (ICIAfS)-2018. pp. 1-5. (Indexed in IEEE Xplore, Digital Library), DOI: 10.1109/ICIAFS.2018.8913364.

Fernando, Imali N. and Nilmini, Sandya. (2010). Does simple marketing techniques applicable to farm gate level of up-country vegetables? A case for Welimada area, Badulla district. Proceedings of the 1st International Conference on Business and Information, University of Kelaniya. http://repository.kln.ac.lk/handle/123456789/7153

Book Publications

M. Chandrasiri, and K. W. S. N. Kumari, Business Mathematics, 2017 (ISBN: 978-955-38296-0-3)

P. I. N. Fernando and K. W. S. N. Kumari (2010), “Practical Aspects in Vegetable Marketing”, Lassana Printers & Publishers, ISBN: 978-955-52912-0-0

Positions Held

University Level

Coordinator, Activity Coordinator (Activity 02) and Principal Proposal Writer, – AHEAD ELTA-ELSE Faculty Development Project, Faculty of Applied Sciences (120 Million grant, from 2019-2022)

Chairperson, Board of Study/Physical Sciences, Faculty of Applied Sciences, Uva Wellassa University, (August 2020 to-date)

Faculty Coordinator – UWU International Collaboration Centre (UWU-ICC), (February 2016 to date)

Senior Treasurer – Faculty Students’ Union, of Faculty of Applied Sciences (2018 -2021)

Senior Treasurer and Academic Counselor – IEEE Student Branch, Uva Wellassa University (2018 to-date)

Executive Committee Member-University Teachers’ Union, 2018/2019 and 2020/2021

Coordinator – New Proposed Undergraduate degree Programme in BSc. (Hons.) in Mechatronics, Department of Science and Technology

Coordinator- Mechatronics Specialization Area, Science and Technology Degree Programme (2016- 2021)

Academic Warden – Residential Female Hostels in Uva Wellassa University (Oct. 2016 – Oct.2020)

Coordinator- UWU Robot-Battles 2019, Extra Edition at Makerfair

General Convocation 2019-Coordinator of Convocation Booklet

Coordinator -UWU Robot-Battles 2018

Coordinator – International Research Symposium 2018, Uva Wellassa University (IRSUWU-2018)

Co-Coordinator- Integration of new comers with UWU Family-2018

Coordinator- Knowledge Day- Student Integration Programme 2017 and 2015

Sub-Committee member- Institutional Review 2017

Coordinator UWU Robot-Battles 2016

Coordinating Secretary – 5th Research Symposium, Uva Wellassa University,

Student Counselor- Hostels: (Dec. 2014 -Dec. 2015)

Committee member -General Convocation 2016

Coordinator- Stakeholder meeting of Faculty of Science and Technology in 2015

Coordinator -Essential Skill Development and Broad General Education in Science and Technology Degree programme (2014-2016)

Coordinator of Mathematics and Statistics- Curriculum Revision Committee 2015- Faculty of Science and Technology in 2014-2016

Organizing Committee Member- 10th Anniversary Exhibition 2016

Faculty Coordinator and Working Committee Member- Paadankaraya” Educational Exhibition-2009

Academic Sub-Warden- Residential Hostels in Uva Wellassa University in 2006

Mentor: 2006 to2010 and 2014 to date

Organizing committee member: “Deyata Kirula” Exhibition-2008

Head, Department of Management Sciences, Uva Wellassa University, September- December, 2010

National Level

Member- Statistics Popularization Committee of Institute of Applied Statistics Sri Lanka – 2016

Chief Examiner- G.C.E Advanced Level , Combined Mathematics (2015-2019)

Committee Member- Curriculum revision of GCE (A/L) Mathematics and Combined Mathematics, 2015

Memberships and Awards

Memberships

Life Member- Institute Applied Statistics in Sri Lanka (Since 2008, Membership no-283)

Member of the American Statistical Association (ID: 160175)

Student member of Global Science & Technology Forum (ID: GSTF 2013/00145)

Awards

UWU Research Awards-2019: Full Article published in Referred Indexed Journal
UWU Research Awards-2018: Full Article published in Referred Non-Indexed Journal

Best paper award in Time Series and Stochastic Process – International Conference on Applied Statistics 2015 (ICAS2015), Pattaya, Thailand

Best PhD Mathematics Student Award in Department of Mathematics, Universiti Brunei Darussalam in 2013

Best Poster Presenter Award – Statistics and Operational Research International Conference 2013 (SORIC 2013), Sarawak, Malaysia

Best Student Research Presentation Award at 2nd Annual International Conference on Computational Mathematics, Computational Geometry & Statistics 2013, Singapore

Awarded the ‘Graduate Research Scholarship’ for the PhD studies: Universiti Brunei Darussalam- Brunei, 2011-2013

Foreign Travel Grant for Oral Presentations at IISA-ISPS2010

Teaching

  • ESD 141-2 Quantitative Reasoning
  • SCT 211-2 Statistical Methods I
  • EAG 201-1 Basic Statistics
  • CST 212-3 Statistical Methods I
  • EAG 301-1 Design and Experiment
  • SCT 333-1 Data Handling and Statistics
  • IIT 311-3 Statistical Methods I
  • CST 312-2/IIT 313-2 Statistical Methods II
  • SCT 465-2/MRT 466-2 Quality Assurance and Control
  • SCT 424-2 Food Quality Assurance and Safety Regulations
  • SCT 476-1 Time Series and Stochastic Processes
  • EAG 401-2 Bio-Statistics
  • GRD 601-3 Quantitative Techniques