Bluman, Allan G. Elementary statistics : a step by step approach / Allan G. Bluman. - 2nd ed. - Duduque, lowa : Wm.C. Brown Publishers, 1995. - xx, 684 p. : ill. Includes Index. ISBN: 0697171655 Subjects--Topical Terms: Statistics. LC Class. No.: QA 276.12 BLU 1995