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4. Find the area under the t- distribution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0.975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when = 1.699 and df =

4. Find the area under the t- distribution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0.975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when = 1.699 and df =

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
Section10.1: Measures Of Center
Problem 9PPS
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4. Find the area under the t- distrihution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0,975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when t = 1.699 and df = 29. A. 90th B. 95th D. 99.5th C. 97.5th 6. Which of the following is true about the t- distibution? A. A t-distribution is composed of bell-shaped curves. Each curve represents a degree of freedom. B. As the sample size decreases, the t-distribution approaches the standard normal distribution. C. Ihe population is not nomally distributed. D. The distribution at the left of the mean is not the same as the distribution at the right of the mean. 7. This table shows the probabilities/areas of the t- distribution for different degrees of freedom. This is used to find the critical values of t. A. c- table C. t- table B. d – table D. z - table 8. What are the critical values of i when n = 25 an the confidence level = 90% in two tails? A. ±2.064 B. ±1.708
Transcribed Image Text:4. Find the area under the t- distrihution from t = -2.228 to t = 2.228 when n = 11. A. 0.90 C. 0,975 B. 0.95 D. 0.995 5. Identify the percentile rank of the t- distribution when t = 1.699 and df = 29. A. 90th B. 95th D. 99.5th C. 97.5th 6. Which of the following is true about the t- distibution? A. A t-distribution is composed of bell-shaped curves. Each curve represents a degree of freedom. B. As the sample size decreases, the t-distribution approaches the standard normal distribution. C. Ihe population is not nomally distributed. D. The distribution at the left of the mean is not the same as the distribution at the right of the mean. 7. This table shows the probabilities/areas of the t- distribution for different degrees of freedom. This is used to find the critical values of t. A. c- table C. t- table B. d – table D. z - table 8. What are the critical values of i when n = 25 an the confidence level = 90% in two tails? A. ±2.064 B. ±1.708
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