Find and interpret a 90% confidence interval for the sale price when the corresponding TV size is 50-inches
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| Sale in Inches | Price |
| 9 | 147 |
| 20 | 197 |
| 27 | 297 |
| 31 | 447 |
| 35 | 1177 |
| 40 | 2177 |
| 60 | 2497 |
| 32 | 1006.93 |
| 50 | 1992.61 |
Find and interpret a 90% confidence interval for the sale price when the corresponding TV size is 50-inches
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