# Question: a The mean and standard deviation of a sample of

a. The mean and standard deviation of a sample of 100 are x̄ = 10 and s = 1.

Estimate the population mean with 95% confidence.

b. Repeat part (a) with s = 4.

c. Repeat part (a) with s = 10.

d. Discuss the effect on the confidence interval estimate of increasing the standard deviation s.

Estimate the population mean with 95% confidence.

b. Repeat part (a) with s = 4.

c. Repeat part (a) with s = 10.

d. Discuss the effect on the confidence interval estimate of increasing the standard deviation s.

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