Corder, Gregory W. Nonparametric statistics for non-statisticians : a step-by-step approach / Gregory W. Corder, Dale I. Foreman - Hoboken, NJ : Wiley, 2009 - xiii, 247 p. : ill. ; 25 cm. ISBN: 9780470454619 047045461X Subjects--Topical Terms: Nonparametric statistics LC Class. No.: QA278.8 / .C67 2009