Bluman, Allan G. , Elementary statistics : a step by step approach / Allan G. Bluman. - 4th ed. - xxiv, 757 pages : color, illustrations ; 25 cm. + 1 computer optical disc (4 3/4 in.). ISBN: 0072316942 Subjects--Topical Terms: Statistics. LC Class. No.: QA276.12 / .B58 2001