Use a graphical method to determine whether men and women differ with respect to working for themselves or someone else. 

The following exercises are based on the General Social Survey in 2014 featuring the variables listed next.
SEX: 1. Male; 2. Female
RACE: 1. White; 2. Black; 3. Other
MARITAL: 1. Married; 2. Widowed; 3. Divorced; 4. Separated; 5. Never married
DEGREE: 0. Left high school; 1. Graduated high school; 2. Completed junior college; 3. Completed
Bachelor’s degree; 4. Completed graduate degree
WRKGOVT: 1. Government; 2. Private
WRKSLF: 1. Self-employed; 2. Work for someone else