You used the sum-mated rating to predict the cost of a restaurant meal (stored in Restaurants). For

Question:

You used the sum-mated rating to predict the cost of a restaurant meal (stored in Restaurants). For those data, SSR = 8,126.7714 and SST= 18,810.75.
a. Determine the coefficient of determination, r2, and interpret its meaning.
b. Determine the standard error of the estimate.
c. How useful do you think this regression model is for predicting the cost of a restaurant meal?
For Information: Problem 13.5