Use the following information for Exercises 13–16: A multiple regression model has been produced for a set of observations with multiple regression equation , with multiple coefficient of determination . Assume the regression assumptions are met.

Question 13.117

15. Interpret the coefficients , and .

13.3.15

The estimated value of when and is . means that for each increase of one unit of the variable , the estimated value of decreases by 0.1 unit when the value of is held constant. means that for each increase of one unit of the variable , the estimated value of increases by 0.9 unit when the value of is held constant.