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Five students take Statistics 101 in the first year and Statistics 102 in the second year. Their overall course grades (%) are listed below for both courses. Which of the following statistical procedures would be the most appropriate to test the claim that student overall course grades are the same in both courses? Assume that any necessary normality requirements hold.

Five students take Statistics 101 in the first year and Statistics 102 in the second year. Their overall course grades (%) are listed below for both courses. Which of the following statistical procedures would be the most appropriate to test the claim that student overall course grades are the same in both courses? Assume that any necessary normality requirements hold.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Five students take Statistics 101 in the first year and Statistics 102 in the second year. Their overall course grades (%) are listed below for both courses. Which of the following statistical procedures would be the most appropriate to test the claim that student overall course grades are the same in both courses? Assume that any necessary normality requirements hold. Student Statistics 101 Statistics 102 5 1 80.0% 85.5% 3 72.6% 71.0% 99.0% 93.2% 4 91.3% 93.0% 68.9% 74.8% O a. One-tailed two-sample t-test of variance O b. Two-tailed two-sample t-test of means O c. Two-tailed two-sample z-test of means O d. Two-tailed one-sample t-test of means By taking a level of significance of 5% it is the same as saying: O a. We are 95% confident that the results have not occurred by chance O b. We are 95% confident that the results have occurred by chance O c. We are 5% confident the results have not occurred by chance
Transcribed Image Text:Five students take Statistics 101 in the first year and Statistics 102 in the second year. Their overall course grades (%) are listed below for both courses. Which of the following statistical procedures would be the most appropriate to test the claim that student overall course grades are the same in both courses? Assume that any necessary normality requirements hold. Student Statistics 101 Statistics 102 5 1 80.0% 85.5% 3 72.6% 71.0% 99.0% 93.2% 4 91.3% 93.0% 68.9% 74.8% O a. One-tailed two-sample t-test of variance O b. Two-tailed two-sample t-test of means O c. Two-tailed two-sample z-test of means O d. Two-tailed one-sample t-test of means By taking a level of significance of 5% it is the same as saying: O a. We are 95% confident that the results have not occurred by chance O b. We are 95% confident that the results have occurred by chance O c. We are 5% confident the results have not occurred by chance
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