Dr. Narendra Singh Thakur, Assistant Professor, Center for Mathematical Sciences (CMS), Banasthali University, India
E-mail: nst_stats@yahoo.co.in

Dr. YOUNES ABROUKI, Faculté des Sciences et Techniques, Université Hassan II Mohammedia, Mohammedia, Morocco
E-mail: younesabrouki@gmail.com

Dr. M. RAGHAVENDER SHARMA, Assistant professor, Department of Statistics, University College of Science, Osmania University, India
Email:drmrsstatou@gmail.com

Dr. G. SUBASHCHANDRABOSE, Department of Statistics, Aarupadai Veedu Medical College & Hospital, India
E-Mail: subashstat@gmail.com

Dr. P. Balamurugan, Assistant Professor, Department of Statistics, Government Arts College (Autonomous), Salem - 636 007, TamilNadu, India
Email: pbalamuruganstat@gmail.com