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What is the t-critical value? b. What is the p-value? c. What is the correct decision at a 5% level of significance?

What is the t-critical value? b. What is the p-value? c. What is the correct decision at a 5% level of significance?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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a. What is the t-critical value?
b. What is the p-value?
c. What is 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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