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
b. , s = .02, n = 15
c. , s = 31.6, n = 22
d. , s = 1.5, n = 5
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