Look at the relationship between husband's education and his wife's education separately for couples in which wife is employed full time and in which wife is not employed full time.
- Make a scatter plot, show the regression lines.
- Is there a relationship between a husband's and wife's education for both groups of couples? What is the correlation coefficient between a husband's and wife's education for couples in which the wife is employed full time? For couples in which the wife is not employed full time?
- prepare a description on what this data means. What conclusions can you draw from this data?