Can you help me solve this I dont even know where to start w
Can you help me solve this? I don\'t even know where to start with this problem.
The following table lists Major League Baseball
Solution
a-1) Using excel the regression equation is
Salary = 13.2 - 2.70 ERA.
In this equation coeffient of ERA is negative.
a-2) As coeffient of ERA is negative. we conclude that a one-unit increase in ERA, predicted salary decreases by $2.70 million. i.e option 4.
a-3) Predicted values using estimate value
5.64 $
| Predicted Values ( in $ millions) | |
| J. Santana | 7.23 $ |
| C. Lee | 7.04 $ |
| T. Lincecum | 6.61 $ |
| C. Sabathia | 6.32 $ |
| R. Halladay | 5.83 $ |
| J. Peavy | 6.32 $ |
| D. Matsuzaka | 7.12 $ |
| R. Dempster | 5.64 $ |
| B. Sheets | 5.53 $ |
| C. Hamels | 6.42 $ |
