Keller, Gerald Statistics for management and economics / Gerald Keller and Brian Warrack. - 4th ed. - Belmont, CA : Duxbury Press, c1997. - xxviii, 1073 p. : ill. (some col.) ; 26 cm. Includes bibliographical references and index. ISBN: 0534515843 Subjects--Topical Terms: Management--Statistical methods.Economics--Statistical methods. LC Class. No.: HD30.215 / .K45 1997