This unit, one of six which comprise the Fair Play program, teaches students to use data analysis skills to examine sex differences in career choices, mathematics attitudes, and treatment in the labor force. The Fair Play program is a series of student and teacher materials the purpose of which is to help students expand their female or male self-concepts, increase their decision-making skills, and improve their academic achievement by changing their stereotypic attitudes toward particular content areas. This student guide contain 18 lessons organized into three parts: (1) differential treatment and attitudes of males and females in relation to mathematics and mathematics-oriented careers; (2) application of data analysis skills to male and female economic issues; and (3) consideration of personal career options and mathematics attitudes. The lessons include learning activities for individuals and groups, discussion items, and evaluation exercises. (DC)