Kirk, Roger E. Statistics : an introduction / Roger E. Kirk - 5th ed. - Belmont, CA : Thomson/Wadsworth, 2008 - xv, 649 p. : ill. ; 24 cm. ISBN: 053456478X (hbk.) 9780534564780 (hbk.) : RM631.89 Subjects--Topical Terms: Statistics--Textbooks