Freund, John E Elementary business statistics : the modern approach / John E. Freund, Frank J. Williams, Benjamin M. Perles. - 5th ed. - Englewood Cliffs, New Jersey : Prentice Hall, c1988. - xiii, 738 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0132531968 Subjects--Topical Terms: Commercial statistics.Statistics. LC Class. No.: HF1017 / .F73 1988