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For items 11. Post-Assessment This part aims to assess what you have understood about the lesson, Read and understand each item carefully You are encouraged to answer honestly without any reference. Write the letter of your answer on your answer sheet. unknown? 1. What is the test statistic to be used when the population variance is assumed to be A. 1- test 2 - test G. two-tailed test D. one tailed test Which of the following is the test statistic to be used when the population variance is assumed to be known? A t - test B. x - test C. two tailed test D. one-failed test 3. What is the rejection region if the level of significance is 5%, left-tailed test will be used, n = 40, and the population variance is known? A. below 1 = -1.721 C. below 2 = -1.645 B. above ( = 1.721 D. above 2 = 1.645 4. Which of the following is the rejection region if the level of significance is 5%, right- tailed test will be utilized, n = 40 and the population variance is known? A, below t = -1.721 C. below 2 = -1.645 B. above t = 1.721 D. above z = 1.645 5. Which of the following is the rejection region if the level of significance is 5%, right- failed test will be used, n - 23, and the population variance is unknown? A. below t = -1.717 C. below 2 = -1.645 B. above t = 1.717 D. above z = 1.645 6. What is the rejection region given the following right-tailed test, the population variance is known, 1% level of significance? A. above z = 2.33 C. below z = -2.33 and above z = 233 B. below z = -2.33 D. below t = -2:33 and above t = 2:33 7. Which of the following is the rejection region if the level of significance is 5%, left- tailed test will be utilized, n = 23, and the population variance is unknown? A. belowt = -1.717 C. below z =-1.645 B. above t = 1.717 D. above z = 1.645 B. Given the following conditions: two-tailed test, the population variance is known, and 10% level of significance, What is the rejection region? A. above z = 1.645 C. below z = -1.645 and above 2 = 1.645 B. below z = -1.645 D. below t = -1.645 and above t = 1.645 9. Given the following conditions: two-tailed test, the population variance is known, = 37 , and 1% level of significance. Which of the following is the rejection region? A. above z = 2.575 C. below t = -2.575 and above t = 2.575 B. below z = -2.575 D. below 2 = -2.575 and above z = 2.575 10. Which of these is the rejection region given the following: left-tailed test, the population variance is unknown, 0.5% level of significance, and n = 12? C. below t = -3.106 and above t = -3.106 A. abovet = 3.106 D. below z = -3.106 and above z = 3.106 B. below t = -3.106 STAT14