Chapman, D. G. 1920- Elementary probability models and statistical inference / [by] Do uglas G. Chapman [and] Ronald A. Schaufele. - Waltham, Mass. : Ginn-Blaisdell, [1970]. - xix, 358 p. : ill. ; 24 cm. Includes bibliographical references (p. 339.) Subjects--Topical Terms: Probabilities.Mathematical statistics. Dewey Class. No.: 519.2