1. Department of Statistics, Facualty of Basic Sciences, University of Hormozgan, Bandarabbas, Iran;
2. Department of Mathematics, College of Sciences, Yasouj University, Yasuj, Iran;
3. Department of Statistics, Faculty of Mathematics & Computer, Shahid Bahonar University of Kerman, Kerman, Iran;
4. Mahani Mathematical Research Center, Shahid Bahonar University of Kerman, Kerman, Iran