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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 32​-year-old man.

Age

22

36

25

33

41

31

40

Cholesterol

145

176

158

196

155

145

206

Determine the upper and lower limits of the confidence interval.

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