1. Department of Statistics, Jhang Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan;
2. Higher Education Department, Government of the Punjab, Studied from National College of Business Administration and Economics, Lahore, Pakistan;
3. College of Statistical and Actuarial Sciences, University of the Punjab, Lahore, Pakistan;
4. Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia