Refer to Exercise 6.93. For each part, a-d, form a 90% confidence interval for . In Exercise
Question:
In Exercise 6.93
Given the following values of , s, and n, form a 90% confidence interval for σ2.
a. = 21, s = 2.5, n = 50
b. = 1.3,5 = .02, n = 15
c. = 167,5 = 31.6, n = 22
d. = 9.4,5 = 1.5, n = 5
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Related Book For 
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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