Authors
Joyce Kiarie
Institute of Mathematical Science, Strathmore University, Nairobi, Kenya
Samuel Musili Mwalili
Institute of Mathematical Science, Strathmore University, Nairobi, Kenya
Department of Statistics and Actuarial Science, Jomo Kenyatta University of Agriculture and Technology (JKUAT), P.O. Box 62000-00200, Nairobi, Kenya
Rachel Mbogo
Institute of Mathematical Science, Strathmore University, Nairobi, Kenya
John Kamwele Mutinda
Department of Mathematical Sciences, Institute for Mathematical Sciences, Mbour-Thies, Senegal
Amos Kipkorir Langat
Department of Statistics and Actuarial Science, Jomo Kenyatta University of Agriculture and Technology (JKUAT), P.O. Box 62000-00200, Nairobi, Kenya