8. Table 11.13 is part of a SPSS printout for fitting a regression model to the relationship between Y = number of children in family. X = mother's educational level (MEDUC) in years, and X2 father's socioeconomic status (FSES), for a random sample of 49 college students at Texas A&M University.

a) Wnite the prediction equation. Interpret parameter estimates.

b) For the first subject in the sample, X = 12, X = 61, and Y = 5. Find the predicted value of Y and the residual.

c) Report SSE. Use it to explain the least squares property of this prediction equation.

d) Find the multiple correlation. Interpret

e) Is it possible that ryx, x = .40? Explain.

f) Can you tell from this printout whether ryx, is positive or negative? Explain.