Question
As part of a research program for a new cholesterol? drug, a pharmaceutical company would like...
As part of a research program for a new cholesterol? drug, a pharmaceutical company would like to investigate the relationship between the ages and LDL? (low-density lipoprotein) cholesterol of men. The following data set shows the ages and LDL cholesterol levels of seven randomly selected men. Construct a? 95% confidence interval to estimate the average LDL cholesterol level of a 31?-year-old man.
| Age | Cholesterol |
| 23 | 142 |
| 36 | 176 |
| 25 | 158 |
| 31 | 199 |
| 42 | 157 |
| 30 | 144 |
| 40 | 210 |
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