Freund, John E. Elementary business statistics : the modern approach / John E. Freund, Frank J. Williams. - 5th ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1982. - xxiii, 738 p. : ill. ;col 25 cm. Includes index. ISBN: 0132531208 9780132531207 Subjects--Topical Terms: Commercial statistics.Statistics. LC Class. No.: HF1017 / .F73 1982 Dewey Class. No.: 519.5/024658