About the Authors

Mahmoud Riad Mahmoud

Department of Mathematical Statistics, Institute of Statistical Studies and Research, Cairo University

Naglaa A. Morad

Department of Applied Statistics and Econometrics, Institute of Statistical Studies and Research, Cairo University

Moshera A. M. Ahmad

Department of Applied Statistics and Econometrics, Institute of Statistical Studies and Research, Cairo University

Corresponding Author

Email: moshera_ahmad@pg.cu.edu.eg