Use the following data set for Exercises 10–13.
18.7 | 2 | 100 | 4.1 |
18.4 | 4 | 90 | 5.0 |
21.8 | 6 | 90 | 3.8 |
22.0 | 8 | 70 | 5.2 |
25.2 | 10 | 70 | 3.8 |
25.7 | 12 | 50 | 5.3 |
26.9 | 14 | 50 | 5.4 |
28.3 | 16 | 30 | 5.4 |
28.6 | 18 | 30 | 4.3 |
31.8 | 20 | 10 | 4.9 |
10. Assume the regression assumptions are met. Perform the test for the significance of the overall regression, using level of significance . Do the following: