Weiss, Neil A. Elementary statistics / [by] Neil A. Weiss ; biographies by Carol A. Weiss. - 6th ed. - Boston : Pearson/ Addison Wesley, 2004. - 1 v. (various pagings) : ill. ; 26 cm. + CDROM. Includes index. ISBN: 0201771306 Dewey Class. No.: 519.5