Lockhart, Robert S.. Introduction to statistics and data analysis for the behavioral sciences / Robert S. Lockhart. - New York : W H Freeman , 1998. - xiii,651p. : ill.,tables,figs. ; 26cm . NULL ISBN: 0716729741 Rs. 1802.92 Subjects--Index Terms: SOCIAL SCIENCES-STATISTICAL METHODS Dewey Class. No.: 519.5 / LOC/I