Freund, John E. Modern elementary statistics / John E. Freund, Benjamin M. Perles. - 12th ed. - Upper Saddle River, NJ : Pearson/Prentice Hall, c2007. - xiii, 561 p. : ill. ; 24 cm. + 1 CD-ROM (4 3/4 in.) Includes bibliographical references and index. ISBN: 013187439X (hbk.) 9780131874398 (hbk.) 0131874403 (CD-ROM) Subjects--Topical Terms: Statistics. Dewey Class. No.: 519.5 / FRE 2007