A random sample of 175 measurements possessed a mean = 8.2 and a standard deviation s
Question:
a. Test H0. µ = 8.3 against Ha: µ ≠ 8.3. Use α = .05.
b. Test H0: µ = 8.4 against Ha: µ ≠ 8.4. Use α = .05.
c. Test H0: σ = 1 against Ha: σ ≠ 1. Use α = .05.
d. Find the power of the test, part a, if µa = 8.5.
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a H 0 83 H a 83 The test statistic is The rejection region requires a 2 052 025 in each tail of the ...View the full answer
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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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