Comrey, Andrew Laurence. Elementary statistics a problem-solving approach Andrew L. Comrey, Paul A. Bott, Howard B. Lee. - 2nd ed. - Dubuque, Iowa W.C. Brown c1989. - xii, 467 p. ill. (some col.) Includes index. Bibliography: p. 461-462. ISBN: LCCN: 88070127 Subjects--Topical Terms: StatisticsStatistics--Problems, exercises, etc. LC Class. No.: QA276.12 / .C66 1989 Dewey Class. No.: 519.5