Use the same variables as in Exercise 1, but do the analysis separately for men and women. Begin by locating the variable SEX. Click Data, Split File, and then select Organize Output by Groups. Insert SEX into the box and click OK. Now, SPSS will split your results by sex.
a. Have SPSS calculate the regression equation for men and women. (You will need to scroll down through your output to find the results for men and women.) How similar are they?
b. What is the predicted number of children for a man with two siblings? Six siblings? For a woman with the same number of siblings? Which is greater?