Young, Robert K. Introductory statistics for the behavioral sciences / Robert K. Y oung, Donald J. Veldman. - 2nd ed. - New York : Holt, Rinehard and Winston, 1972. - xii, 559 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0030844037 Subjects--Topical Terms: Statistics-- Programmed instruction. Dewey Class. No.: 519.5