SME_8e_Ch_11_Section_3

# SME_8e_Ch_11_Section_3 - 1 CHAPTER 11 SECTION 3:...

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Unformatted text preview: 1 CHAPTER 11 SECTION 3: INTRODUCTION TO HYPOTHESIS TESTING MULTIPLE CHOICE 150. For a given level of significance, if the sample size increases, the probability of a Type II error will: a. remain the same. b. increase. c. decrease. d. be equal to 1.0 regardless of . ANS: C PTS: 1 REF: SECTION 11.3 151. The power of a test is measured by its capability of: a. rejecting a null hypothesis that is true. b. not rejecting a null hypothesis that is true. c. rejecting a null hypothesis that is false. d. not rejecting a null hypothesis that is false. ANS: C PTS: 1 REF: SECTION 11.3 152. If the probability of committing a Type I error for a given test is decreased, then for a fixed sample size n , the probability of committing a Type II error will: a. decrease. b. increase. c. stay the same. d. Not enough information to tell. ANS: B PTS: 1 REF: SECTION 11.3 153. The power of a test is denoted by: a. b. c. 1 - d. 1 - ANS: D PTS: 1 REF: SECTION 11.3 154. For a given sample size n , if the level of significance is decreased, the power of the test will: a. increase. b. decrease. c. remain the same. d. Not enough information to tell. ANS: B PTS: 1 REF: SECTION 11.3 2 155. For a given level of significance , if the sample size n is increased, the probability of a Type II error will: a. decrease. b. increase. c. remain the same. d. Not enough information to tell. ANS: A PTS: 1 REF: SECTION 11.3 156. If we want to compute the probability of a Type II error, which of the following statements is false? a. We need to know the significance level . b. We need to know the sample size n . c. We need to know the alternative value of the population mean . d. All of these choices are true. ANS: D PTS: 1 REF: SECTION 11.3 157. Which of the following statements is false regarding the operating characteristic (OC) curve?...
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## SME_8e_Ch_11_Section_3 - 1 CHAPTER 11 SECTION 3:...

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