By Tshilidzi Marwala
By Sean Dineen
By Marek Capinski, Ekkehard Kopp
By Marek Capinski, Peter E. Kopp
By Eva Part-Enander, Anders Sjoberg
By Alan C. Newell
By William Poundstone
By Gerald Van Belle
By Brian S. Everitt
By Timothy C. Urdan (Santa Clara University, USA)
By A.M. Arthur (University of York)
By Derek Rowntree
By Nate Silver
By Richard J. Larsen, Morris L. Marx
By William H. Press (Harvard University, Massachusetts), Brian P. Flannery (Cornell University, New York), Saul A. Teukolsky (Polaroid Corporation), William T. Vetterling (Exxon Research and Engineering Company)
By K. G. Binmore
By Linda E. Reichl
By School Mathematics Project
By Anderson
By Dawn E. Holmes (Faculty Member, Department of Statistics and Applied Probability, University of California, Santa Barbara)
By Moya McCloskey, etc., Chris Robertson, Steve Blythe
By David Griffiths, etc., W. Douglas Stirling (Massey University, USA), K. Lawrence Weldon (Simon Fraser University
By Jay L. Devore
By Geoffrey R. Norman, D.L. Streiner (C. Psych, Department of Psychiatry, McMaster University, Hamilton, Ontario, Canada)
By Stephen Ashcroft, Chris Pereira
By Debbie Holmes, Peter Moody, Diana Dines
By Brani Vidakovic (Georgia Institute of Technology)
By Sheldon M. Ross
By Inc. SPSS