Enns, Philip G. Business statistics : methods and applications / Philip G. Enn s. - Homewood, Ill. : R.D. Irwin, 1985. - xxiv, 777 p. : ill. (some col.) ; 25 cm. - The Irwin series in quantitative analysis for business . Includes index. ISBN: 0256024464 LCCN: 83-081768 Subjects--Topical Terms: Commercial statistics.Statistics. Dewey Class. No.: 519.5