Given the situation and variables described in Exercise 17.66 and data file XR17066, use y 5 percent of sales quota in performing a stepwise regression using the other variables as predictors. Interpret the results, including a commentary on which variables seem to be of greater importance in predicting sales performance. How much of the variation in sales performance is explained by the model?
We suggest that Minitab users specify alpha-to-enter as 0.05 and alpha-to-remove as 0.10.