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Question
Given below are seven observations collected in a regression study on two variables, x (independent variable) and y (dependent variable). Use Excel toa. compute a 95% confidence interval for E(y) when x= 5
b. compute a 95% prediction interval for ywhen x= 5.
| x | y |
| 2 | 12 |
| 3 | 9 |
| 6 | 8 |
| 7 | 7 |
| 8 | 6 |
| 7 | 5 |
| 9 | 2 |
Answer
This answer is hidden. It contains 1100 characters.
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