Enns, Philip G. Business statistics : methods and applications / Philip G. Enns - Homewood, Ill. : Richard D. Irwin, 1985 - 777p. : ill. (some col.) ; 25cm. - Irwin series in quantitative analysis for business . Includes index ISBN: 0256024464 LCCN: 83-81768 Subjects--Topical Terms: Commercial statisticsStatistics