Professor of Statistics and Rector
   National College of Business Administration and Economics, Lahore, Pakistan.

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   Professor of Statistics, Department of Mathematics,
   Lahore University of Management Sciences, Lahore, Pakistan.

   National College of Business Administration and Economics
   Lahore, Pakistan

   Department of Statistics,
   University of California, Riverside CA 92521, USA.

   Dean Faculty of Mathematics & Science
   Brock University,  Ontario, Canada.

   Department of Management Sciences,
   College of Business Administration, Rider University, USA.

   King Abdul Aziz University,
   Jeddah Saudi Arabia.

   George and Frances Ball Distinguished Professor of Statistics Emeritus
   Department of Mathematical Sciences, Ball State University, Muncie, USA.

   Department of Statistics,
   King Abdulaziz University, PO Box 80203, Jeddah 21589, Saudi Arabia.

   Department of Mathematics and Statistics,
   University of Maine, Maine USA.

   Faculty of Health, Engineering and Sciences
   University of Southern Queensland, Australia.

   Department of Operations Management
   Indian Institute of Management, Calcutta, India.

   Department of Statistics & Actuarial Sciences,
   The University of Western Ontario, Canada.

   Department of Mathematics, Faculty of Science
   Taibah University, Saudi Arabia

   University of Gaston Berger
   Saint-Louis, Senegal

   Department of Social Statistics, University of Southampton