97 Given the following values of x , s , and n , form a 90% confidence
Question:
97 Given the following values of x , s , and n , form a 90%
confidence interval for s2 .
a. x = 21, s = 2.5, n = 50
b. x = 1.3, s = .02, n = 15
c. x = 167, s = 31.6, n = 22
d. x = 9.4, s = 1.5, n = 5
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