Gravetter, Frederick J. Statistics for the behavioral sciences : a first course for students of psychology and education Frederick J. Gravetter - 3rd ed. - St. Paul : West Publishing Company, c1992. - xiv, various paging : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0-314-90876-5. Subjects--Topical Terms: Educational statistics.Psychology-Staistical methods. Dewey Class. No.: Circ. 519.50243 G776 1992