Question: #3) Runt the Regression procedure to obtain the least-squares line that predicts a wife's education from her husband's education.

a. Write the regression equation. Is it the same as that for predicting a husband's education from his wife's education?

b. What proportion of the variability in wives' education can be explained by husbands' education? Compare this to the proportion of variability in husbands' education that can be explained by wives' education.