Hays, William L. Statistics for the social sciences / William L. Hays - 2nd ed. - New York : Holt, Rinehart and Winston , 1973 - xxi, 954p. : ill. ; 26 cm. Bibliography: p. 908-912. ISBN: 0030779456 Subjects--Topical Terms: StatisticsPsychometrics Dewey Class. No.: 310 / HAY