1. Department of Statistics and Actuarial Science, School of Mathematical Sciences, C. K. Tedam University of Technology and Applied Sciences,
Navrongo, Ghana
2. Department of Basic Sciences, School of Basic and Biomedical Science, University of Health and Allied Sciences, Ho, Ghana
3. Department of Biometry, School of Mathematical Sciences , C. K. Tedam University of Technology and Applied Sciences, Navrongo, Ghana