Elementary statistics :
Bluman, Allan G.
Elementary statistics : a step by step approach / Allan G. Bluman. - 4th ed. - Boston : McGraw-Hill, 2001. - xxiv, 801 p. : ill. (some col.) ; 27 cm.
Elementary statistics : a step by step approach / Allan G. Bluman. - 4th ed. - Boston : McGraw-Hill, 2001. - xxiv, 801 p. : ill. (some col.) ; 27 cm.