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 13.115

13. Interpret the value of the coefficient for .

13.3.13

For each increase in one unit of the variable , the estimated value of decreases by 0.1 unit when the value of is held constant.