1. Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
2. Department of Statistics and Insurance, Faculty of Commerce, Zagazig University, Zagazig, Egypt
3. Acoustic Department, School of Science, Engineering, and Environment, Salford University, Salford, UK
4. Department of Basic Sciences, Higher Institute of Administrative Sciences, Osim, Egypt
5. Faculty of Graduate Studies for Statistical Research, Cairo University, Cairo, Egypt