Mason, Robert Deward,. Statistical techniques in business and economics / Robert D. Mason and Douglas A. Lind. - 9th ed. - Chicago : Irwin, 1996 - xix, 871 p. : ill. (some col.), figs., tables ; 26 cm. Includes index. ISBN: 0256139016 0256189048 LCCN: 95016497 Subjects--Topical Terms: Commercial statistics.EconomicsSocial sciences LC Class. No.: HA29 / .M268 1996 Dewey Class. No.: 519.5/ M398s