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Unformatted text preview: Home Work 9: 1. A random sample of 64 observations produced the following summary statistics: 323 . = x and 034 . 2 = s . a . Test the null hypothesis that 36 . = against the alternative hypothesis that 36 . < using 1 . = . b . Test the null hypothesis that 36 . = against the alternative hypothesis that 36 . using 1 . = 2. Refer to the Journal of Accounting and Public Policy (Spring 2002) study of n = 100,000 firsttime candidates for the CPA exam. The number of semester hours of college credit taken by the sampled candidates is summarized as follows: 3 . 141 = x hours and 77 . 17 = s hours. Let represent the mean number of semester hours taken by all firsttime candidates for the CPA exam. Consider testing H : 140 = against a H : 140 . a . Give the rejection region for the test at a significance level of 01 . = . b . Calculate the value of the test statistic....
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 Spring '11
 Gispy

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