The Copperbelt University Open Access Catalogue Search for 'au:"Johnson, Richard A"'

Statistics: principles and methods. (7th edition)

By Johnson, Richard A. Wiley 2014 . xv, 716 pages : illustrations 9780470904114

By Johnson, Richard A. New Delhi Prentice-Hall of India 2000 . x, 630p.: ill. 8120308921

By Johnson, Richard A. Boston Houghton Mifflin 1972 . iv, 546p. : ill.

By Wichern, Dean W. Upper Saddle River, NJ: Pearson Education, Inc 2007 . xviii, 773p.: ill. 9780135143506