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When testing for the population mean mu using an upper tail z-test which of the

ID: 3258184 • Letter: W

Question

When testing for the population mean mu using an upper tail z-test which of the following is sufficient to determine the rejection region? a. z_alpha and alpha b. Sample mean c. The alternative hypothesis and beta d. Sample mean and the null hypothesis for mu e. Type II error rate When testing for the population mean mu using a z-test with known population standard deviation, which of the following is sufficient to calculate the test statistic? a. The sample size and the level of the test b. The sample mean and the null hypothesis c. The observed data set and the hypothesized value d. The sample mean and Type 1 error rate e. The sample mean and the sample standard deviation The hypotheses in a z-test for the population mean are H_0: mu greaterthanorequalto 10, H_a: mu

Explanation / Answer

Q12) Option A is correct. These two are Sufficient To determine the rejection region

Q13) Option C is correct, Because we need data set to calculate the sample mean , Sample size. and Hypothesis mean we also needed

Q14) Option A is correct. Because Tests statistic will be zero and hence p value will also zero

Q15) Option A is correct

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