1. Statistics Department, Faculty of Science, King AbdulAziz University, Jeddah 21551, Saudi Arabia
2. Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
3. Faculty of Graduate Studies for Statistical Research, Cairo University, Giza 12613, Egypt
4. Department of Statistics, Faculty of Business Administration, Delta University of Science and Technology, Mansoura, Egypt
5. The Higher Institute of Commercial Sciences, Al Mahalla Al Kubra 31951, Algarbia, Egypt