A random sample of 20 observations selected from a normal population produced = 72.6 and s2
Question:
a. Test H0: µ = 80 against Ha: µ < 80. Use α = .05.
b. Test H0: µ = 80 against Ha: µ ≠ 80. Use α = .01.
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a H 0 80 H a 80 The test statistic is t The rejection region requires a 05 in the low...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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