For Exercise 11.33, see page 550; for 11.34 and 11.35, see page 554; for 11.36 and 11.37, see page 555; for 11.38, see page 558; for 11.39, see page 559; and for 11.40 and 11.41, see pages 560–561.
11.39 for different models.
CASE 11.2 Use each of the following sets of explanatory variables to predict U.S. box office revenue: (a) Budget, Opening; (b) Budget, Theaters; (c) Opening, Theaters; (d) Budget; (e) Opening; (f) Theaters. Make a table giving the model and the value of for each. Summarize what you have found.
11.39
The best model is the model with Budget and Opening with an of 0.7102. Opening and Theater is the second best model with an of 0.6940. The third best model is the one with just Opening with an of 0.6698. The other three models aren’t very good.
| Model | -square |
|---|---|
| Budget, Opening | 0.7102 |
| Budget, Theater | 0.4355 |
| Opening, Theater | 0.694 |
| Budget | 0.26369 |
| Opening | 0.6698 |
| Theater | 0.4009 |
movies