The critical value is A. Calculated from sample information. B. Cannot be negati

Question

The critical value is A. Calculated from sample information. B. Cannot be negative. C. The point that divides the acceptance region from the rejection region. D. A value determined from the test statistic. In a one-tailed test A. The rejection region is in one of the tails. B. The rejection region is split between the tails. C. The p-value is always less than the significance level. D. The p-value is always more than the significance level. A p-value is A. The same as the population proportion. B. The same as the significance level. C. The fraction of the population that has a particular characteristic. D. The probability of finding a value of the test statistic extreme when the null hypothesis is true. Which of the following is not necessary to determine a p-value? A. Knowledge of whether the test is one-tailed or two-tailed. B. The value of the test statistic. C. The level of significance. D. All of the above are needed. Which of the following would be an appropriate alternative hypothesis? A. The population mean is less than 65. B. The sample mean is less than 65. C. The population mean is no less than 65. D. The sample mean is no less than 65 If we are performing a two-tailed test of whether mu = 100, the probability of detecting a shift off the mean to 105 will be _____ the probability of detecting a shift of the mean to 110. A. less than B. greater than C. equal to D. not comparable to

Explanation / Answer

7) c) A point that divides acceptance and rejection region.

8) a) Rejection region is in one of the tails.

9) d) The probability of finding a value of the test statistic this extreme when null hypothesis is true.

10) b) The value of the test statistic.

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