1. Faculty of Science, Department of Statistis, King Abdulaziz University, Jeddah, Saudi Arabia
2. Faculty of Graduate Studies for Statistical Research, Cairo University, Giza 12613, Egypt
3. The Higher Institute of Commercial Sciences, Al Mahalla Al Kubra 31951, Algarbia, Egypt
4. Department of Statistics, The Islamia University of Bahawalpur, Punjab 63100, Pakistan
5. Universit´e de Caen, LMNO, Campus II, Science 3, 14032, Caen, France
6. Institute of Numerical Sciences, Kohat University of Science & Technology, Kohat 26000, Pakistan