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The following table represents the number of hours of pain relief provided by 4 different brands of muscle relief pain tablets administered to 20 subjects. The 20 subjects were randomly divided into 4 groups and each group was treated with a different brand. Test the hypothesis at the 1% level of significance that the mean number of hours of relief provided by the tablets is the same for all four brands. Brand A Brand B Brand C Brand D 4 8 7 9. 3. 3 6 4 4 4 4.

The following table represents the number of hours of pain relief provided by 4 different brands of muscle relief pain tablets administered to 20 subjects. The 20 subjects were randomly divided into 4 groups and each group was treated with a different brand. Test the hypothesis at the 1% level of significance that the mean number of hours of relief provided by the tablets is the same for all four brands. Brand A Brand B Brand C Brand D 4 8 7 9. 3. 3 6 4 4 4 4.

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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a. What is the appropriate null hypothesis for this test?
b. What is the F-critical value?
c. What is the F-computed? 
d. What is the p-value?
e. What would be the correct decision at 1% level of significance?
f. What would be the F-critical value if the significance level is at 5%?
g. What would be the correct decision at a 5% level of significance?

Description: The following table represents the number of hours of pain relief provided by 4 different brands of muscle relief pain tablets administered to 20 subjects. The 20 subjects were randomly divided into 4 groups and each group was treated with a different brand. Test the hypothesis at the 1% level of significance that the mean number of hours of relief provided by the tablets is the same for all four brands. Brand A Brand B Brand C Brand D 8 7 9 3 4 6 4 4 5 2 4 4
Transcribed Image Text:Description: The following table represents the number of hours of pain relief provided by 4 different brands of muscle relief pain tablets administered to 20 subjects. The 20 subjects were randomly divided into 4 groups and each group was treated with a different brand. Test the hypothesis at the 1% level of significance that the mean number of hours of relief provided by the tablets is the same for all four brands. Brand A Brand B Brand C Brand D 8 7 9 3 4 6 4 4 5 2 4 4
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