Refer to Exercise 5.97. For each part, a–d, form a 90% confidence interval for σ Given the...

Refer to Exercise 5.97. For each part, a–d, form a 90% confidence interval for σ Given the following values of x, s, and n, form a 90% confidence interval for σ2

Given the following values of , s, and n, form a 90% confidence interval for σ2

a. , s = 2.5, n = 50

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b. , s = .02, n = 15

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c. , s = 31.6, n = 22

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d. , s = 1.5, n = 5