Question: Construct a 95% confidence interval for the population mean in Exercise 2. Interpret the results. Exercise 2 The driving distances (in miles) to work of

Construct a 95% confidence interval for the population mean in Exercise 2. Interpret the results.

Exercise 2

The driving distances (in miles) to work of 30 people are shown below. Assume the population standard deviation is 8 miles. Find

(a) The point estimate of the population mean σ and

(b) The margin of error for a 95% confidence interval.

Construct a 95% confidence interval for the population mean in

12 9 7 2 8 7 3 27 21 10 13 7 2 30 7 6 13 6 4 1 10 3 13 6 2 9 2 12 16 18

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