TY - BOOK AU - Keller, Gerald. AU - ED - ED - ED - Duxbury Press. ED - SN - 0495013390 (international student edition; paperback) SN - 2 PY - 2005///.;copyright 200546 CY - Belmont, California PB - Thomson/Brooks/Cole KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Statistical methods.;Statistical methods KW - Management;Economics N1 - At head of title: Duxbury.;Includes Book Companion Website online card, which provides free access code to InfoTrac college edition, the online library; Includes bibliographical references and indexes; 5 ER -