Gravetter, Frederick J. Statistics for the behavioral sciences a first course for students of psychology and education / [Book] : Frederick J. Gravetter, Larry B. Wallnau. - 3rd ed. - St. Paul : West Pub. Co., c1992. - xiv, 632, 109 p. : ill. ; 27 cm. All. ISBN: 0314908765 (alk. paper) Subjects--Topical Terms: Psychology--Statistical methods.Educational statistics. Dewey Class. No.: 519.5 0243