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False aacsb analytic blooms application difficulty

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Unformatted text preview: en testing a hypothesis about a single mean, if the sample size is 20, and the population standard deviation is unknown, the correct test statistic to use is ___________. A. χ B. Z C. t D. p-value AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Hypothesis testing 41. When testing a hypothesis about a single mean, sample size of 200 is selected from a normally distributed population. If the population standard deviation is known, the correct test statistic to use is ___________. A. χ B. Z C. t D. p-value AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Hard Topic: Hypothesis testing 1-768 Chapter 01 - An Introduction to Business Statistics 42. __________is the probability of not rejecting H0when H0 is false. A. Type I error B. Type II error C. Random error D. α AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Type I or Type II error 43. For a fixed sample size, the lower we set α, the higher is the ___________. A. Type I error B. Type II error C. Random error D. p-value AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Type I or Type II error 44. Assuming a fixed sample size, as α (Type I error) decreases, β (Type II error) ___________. A. Increases B. Decreases C. Stays the same D. Randomly fluctuates AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Type I or Type II error 1-769 Chapter 01 - An Introduction to Business Statistics 45. As the type II error β of statistical test increases, the power of the test _____________. A. Increases B. Decreases C. Stays the same D. Randomly fluctuates AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Type I or Type II error 46. A null hypothesis is not rejected at given level of significance. As the assumed value of the mean gets further away from the true population mean, the type II error will _____________. A. Increase B. Decrease C. Stay the same D. Randomly fluctuate AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Type I or Type II error 47. The _____ hypothesis is not rejected unless there is sufficient sample evidence to do so. A. Research B. Alternative C. Null D. Chi-square AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Hypothesis testing 1-770 Chapter 01 - An Introduction to Business Statistics 48. The _____ hypothesis will be accepted only if there is convincing sample evidence that it is true. A. Z-test B. Alternative C. Null D. Chi-square AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Hypothesis testing 49. Assuming that the null hypothesis is true, the ______________ is the probability of observing a value of the test statistic that is at least as extreme as the value actually computed from the sample data. A. α B. β C. p-value D. Type I error AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Hypothesis testing 50. The value of the test statistic is compared with a(n) _______________ in order to decide whether the null hypothesis can be rejected. A. α B. β C. p-value D. critical value AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Hypothesis testing 1-771 Chapter 01 - An Introduction to Business Statistics 51. A(n) _________ hypothesis is the statement that is being tested. It usually represents the status quo and it is not rejected unless if there is convincing sample evidence that it is false. A. Research B. Alternative C. Null D. Chi-square AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Easy Topic: Hypothesis testing 52. Determine the p-value for H0: p ≤ .5 versus HA: p > .5 when n = 225 and A. .1131 B. .2262 C. .0082 D. .8869 AACSB: Analytic Bloom's: Application Difficulty: Medium Topic: Hypothesis testing 1-772 = .54. Chapter 01 - An Introduction to Business Statistics 53. Determine the p-value for H0: p = .5 versus HA: p ≠ .5 when n = 225 and A. .1131 B. .2262 C. .0164 D. .0082 = .54. AACSB: Analytic Bloom's: Application Difficulty: Medium Topic: Hypothesis testing 54. Determine the p-value for H0: µ ≥ 95 versus HA: µ < 95 when = 37. A. .9984 B. .0032 C. .0016 D. less than .0001 AACSB: Analytic Bloom's: Application Difficulty: Medium Topic: Hypothesis testing 1-773 = 90.2, s = 9.92, and n Chapter 01 - An Introduction to Business Statistics 55. Determine the p-value for H0: µ = 95 versus HA: µ ≠ 95 when = 37. A. .0032 B. .0016 C. .9968 D. less than .0001 = 90.2, s = 9.92, and n AACSB: Analytic Bloom's: Application Difficulty: Medium Topic: Hypothesis testing 56. In testing H0: µ = 23 versus HA: µ > 23 when value of the t-statistic? A. 10.00 B. 2.24 C. -2.24 D. 1.34 AACSB: Analytic Bloom's: Application Difficulty: Easy Topic: Hypothesis testing 1-774 =26, s = 6, and n = 20, what is the Chapter 01 - An Introduction to Business Statistics 57. In testing H0: µ ≤ 23 versus HA: µ > 23 when value of the z-statistic? A. -2.74 B. 15.00 C. 1.09 D. 2.74 = 26, s = 6, and n = 30, what is the AACSB: Analytic Bloom's: Application Diffi...
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