Freund, John E. Elementary business statistics : the modern approach / John E. Freund, Frank J. Williams, Benjamin M. Perles. - 6th ed. - [Englewood Cliffs, N.J.]: Prentice Hall, [1993]. - xviii, 953 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0132598213 Subjects--Topical Terms: Commercial statisticsEconomics--Statistical methods Dewey Class. No.: 519.5