Question: Use these summary statistics given in Exercise 8: n = 205, x = 30.4 hg, s = 7.1 hg. Use a 95% confidence level. Are

Use these summary statistics given in Exercise 8: n = 205, x̅ = 30.4 hg, s = 7.1 hg. Use a 95% confidence level. Are the results very different from those found in Example 2 with only 15 sample values?
Construct the confidence interval estimate of the mean.

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