The marketing manager used shelf space for pet food to predict weekly sales (stored in Pet Food)-

Question:

The marketing manager used shelf space for pet food to predict weekly sales (stored in Pet Food)- For those data. SSR = 20,535 and SST = 30,025.
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 sales?
For Information: Problem 13.4