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7. Based on the graph, which of the following is TRUE? A. This is a two-tailed test. B. This is a right-tailed test. -1.725 C. Level of significance is 0.025. D. The rejection region is t ≤-1.725. 8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t = -2.479 C. t= -1.706 D t=2479

7. Based on the graph, which of the following is TRUE? A. This is a two-tailed test. B. This is a right-tailed test. -1.725 C. Level of significance is 0.025. D. The rejection region is t ≤-1.725. 8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t = -2.479 C. t= -1.706 D t=2479

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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7. Based on the graph, which of the following is TRUE? A. This is a two-tailed test. B. This is a right-tailed test. -1.725 C. Level of significance is 0.025. D. The rejection region is t ≤-1.725. 8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t = -2.528 B. t = -2.479 C. t = -1.706 D. t = 2.479
Transcribed Image Text:7. Based on the graph, which of the following is TRUE? A. This is a two-tailed test. B. This is a right-tailed test. -1.725 C. Level of significance is 0.025. D. The rejection region is t ≤-1.725. 8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t = -2.528 B. t = -2.479 C. t = -1.706 D. t = 2.479
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