a. The sample variance of a random sample of 50 observations from a normal population was found
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a. The sample variance of a random sample of 50 observations from a normal population was found to be s2 = 80. Can we infer at the 1% significance level that σ2 is less than 100?
b. Repeat part (a) increasing the sample size to 100.
c. What is the effect of increasing the sample size?
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H 0 2 100 H 1 2 100 a Rejection region 3920 pvalue 1596 There is not enough ...View the full answer
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Related Book For
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
Question Posted:
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