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Question: given the following values of x s and n form...

Question details

Given the following values of x, s, and n, form a 90% confidence interval for σ2 a, x = 24, s = 2.9, n = 70 b, xz 0.9, s 0.02, n 16 c. x 162, s-307, n-24 d.x=8.8, s = 1.3, n=4 a. (Round to two decimal places as needed.)
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