Question: 90 Do the following.

a. Compute SST, SSR, and SSE, using Formula 14.2.

b. Compute the coefficient of determination,.

c. Determine the percentage of variation in the observed values of the response variable explained by the regression, and interpret your answer.

d. State how useful the regression equation appears to be for making predications.

Following are the size and price data for custom homes from Exercise 14.52.