A random sample of n observations is selected from a normal population to test the null hypothesis
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A random sample of n observations is selected from a normal population to test the null hypothesis that σ2 = 25. Specify the rejection region for each of the following combinations of Ha, α, and n:
a. Ha: σ2 ≠ 25; α = .05; n = 16
b. Ha: σ2 > 25; α = .01; n = 23
c. Ha: σ2 > 25; α = .10; n = 15
d. Ha: σ2 < 25; α = .01; n = 13
e. Ha: σ2 ≠ 25; α = .10; n = 7
f. Ha: σ2 < 25; α = .05; n = 25
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a df n 1 16 1 15 reject H 0 if 2 626214 or 2 274884 b df n 1 23 1 ...View the full answer
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Related Book For
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich
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