Statistics Multiple Choice Questions (Please select the correct answer for each question) 27. Given: H0: 10, n = 12, = 0.01, and the computed test statistic is 2.394, the p value for the test is _______________________ a. Between 0.02 and 0.01 b. Between 0.025 and 0.01 c. Between 0.05 and 0.02 d. None of the above 29. We say that sample results are significant when _____________________. a. H0 is not rejected b. H0 is rejected c. Is smaller than the p value d. The computed value of the test statistic falls in the acceptance region 30. You perform a hypothesis test about a population mean on the basis of the following information: The sampled population is normally distributed, S = 100, n = 25, x = 225, = 0.05, Ha: > 220. The critical value of the test statistic is _______________. a. 2.0639 b. 1.7081 c. 1.7109 d. 1.96 33. Given: H0: 100, the alternative hypothesis is __________ if the test is one-sided and the critical value is negative. a. < 100 b. > 100 c. = 100 d. 100 34. If we reject a null hypothesis, we conclude that the alternative hypothesis _____________. a. May be true b. Is true c. Is not true d. May not be true 35. You perform a hypothesis test about a population mean on the basis of the following information: The sample population is normally distributed with a variance of 100, n = 25, , = 225, = 0.05, Ha: > 220. The critical value of the test statistic is _______________. a. 2.5 b. 1.645 c. 1.7109 d. 1.96 x 36. Given H0: = 10, Ha: 10, n = 12, = 0.01, and the computed test statistic is t = -2.694, the p value for the test is ______________. a. Between 0.02 and 0.01 b. Between 0.025 and 0.01 c. Between 0.05 and 0.02 d. None of the above 37. Given H0: 25, Ha: > 25, n = 14, = 0.05, s2 = 36, and the test statistic is ________________. a. 1.9444 b. 1.7613 c. 1.7709 d. 2.1180 x = 30, the critical value of 38. Given H0: 70, Ha: > 70, n = 10, = 0.01, s2 = 49, and the test statistic is ________________. a. 3.6140 b. 2.7640 c. 3.2498 d. 2.8210 x = 78, the critical value of 40. The probability of rejecting a true null hypothesis is also referred to as the ________________ for the test. a. P value b. Critical value c. Rejection region d. Level of significance 43. The statement of what the investigator is trying to conclude is placed in the _________ hypothesis. a. Accepted b. Rejected c. Alternative d. Null 44. The _____________ hypothesis is the hypothesis that is tested. a. Accepted b. Rejected c. Alternative d. Null 49. The quantity that gives the probability that a false null hypothesis will be rejected is called the ________________ of the test. a. b. c. d. Power Probability of a Type II error Significance level Probability of a Type I error