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3. A drug company claims that if you take their new wonder drug "Ainstats", that you will r your grade in statistics. They took the exam scores of 10 students before and after taking the drug, w the results given in the following table. Test the claim that students scored better on the exam after tak "Ainstats" than before. Student Before After A 56 74 B 79 82 Step 1: State the hypotheses. C 95 90 Step 2: Calculate the test statistic. Step 3: Calculate the p-value. D 88 91 0 E 76 90 F 85 75 G 77 77 II 85 89 I I 92 91 J 90 95

3. A drug company claims that if you take their new wonder drug "Ainstats", that you will r your grade in statistics. They took the exam scores of 10 students before and after taking the drug, w the results given in the following table. Test the claim that students scored better on the exam after tak "Ainstats" than before. Student Before After A 56 74 B 79 82 Step 1: State the hypotheses. C 95 90 Step 2: Calculate the test statistic. Step 3: Calculate the p-value. D 88 91 0 E 76 90 F 85 75 G 77 77 II 85 89 I I 92 91 J 90 95

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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3. A drug company claims that if you take their new wonder drug "Ainstats", that you will raise your grade in statistics. They took the exam scores of 10 students before and after taking the drug, with the results given in the following table. Test the claim that students scored better on the exam after taking "Ainstats" than before. Student Before After A 56 71 B 79 82 Step 1: State the hypotheses. C 95 90 Step 2: Calculate the test statistic. Step 3: Calculate the p-value. D 88 91 0 E 76 90 F 85 75 G 77 77 II 85 89 I I 92 91 J 90 95
Transcribed Image Text:3. A drug company claims that if you take their new wonder drug "Ainstats", that you will raise your grade in statistics. They took the exam scores of 10 students before and after taking the drug, with the results given in the following table. Test the claim that students scored better on the exam after taking "Ainstats" than before. Student Before After A 56 71 B 79 82 Step 1: State the hypotheses. C 95 90 Step 2: Calculate the test statistic. Step 3: Calculate the p-value. D 88 91 0 E 76 90 F 85 75 G 77 77 II 85 89 I I 92 91 J 90 95
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