1. Department of Applied Statistics, Financial Mathematics and Actuarial Science, Jaramogi Oginga Odinga University of Science and Technology, Bondo, Kenya
2. Department of Statistics & Operations Research (Women’s College Statistics Section), Aligarh Muslim University, Aligarh, Dhanbad, India
3. Department of Statistics, University of Wah, Islamabad, Pakistan
4. Department of Mathematics and Statistics, Kaimosi Friends University, Kaimosi, Kenya