In: Math
Given:
| x | y |
| -5 | 1 |
| -4 | 5 |
| -3 | 4 |
| -2 | 7 |
| -1 | 10 |
| 0 | 8 |
| 1 | 9 |
| 2 | 13 |
| 3 | 14 |
| 4 | 13 |
| 5 | 18 |
What are the confidence limits (alpha = 0.05) for the true mean value of Y when X = 3?
We use Minitab to solve this question-


The required confidence limits at alpha=0.05 for the true mean
value of y when x = 3 are,
(12.1376, 15.0260)