Keller, Gerald. Statistics for management and economics / Gerald Keller, Brian Warrack. - 5th ed. - Pacific Grove, CA. : Duxbury Thomson Learning, 2000. - xxvii, 901 p., various : + CD-Rom ; 23 cm. + CD-Rom. ISBN: 0534368301 Subjects--Topical Terms: Management--Statistical methods.Economics--Statistical methods.