MATLAB: An Introduction with Applications
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Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Participants who agree to use a certain weight loss pill to help alleviate their hunger were randomly surveyed before and after taking the weight loss pill. Their responses are given below using a scale from 1 to 10, where 1 is a small amount of hunger and 10 is very hungry. Does this weight loss pill help alleviate hunger?
| Before | 9 | 9 | 7 | 6 | 8 | 7 | 7 | 5 | 8 |
| After | 8 | 9 | 6 | 5 | 8 | 7 | 8 | 4 | 6 |
What is the decision for this test?
Participants who agree to use a certain weight loss pill to help alleviate their hunger were randomly surveyed before and after taking the weight loss pill. Their responses are given below using a scale from 1 to 10, where 1 is a small amount of hunger and 10 is very hungry. Does this weight loss pill help alleviate hunger?
| Before | 9 | 9 | 7 | 6 | 8 | 7 | 7 | 5 | 8 |
| After | 8 | 9 | 6 | 5 | 8 | 7 | 8 | 4 | 6 |
What is the decision for this test?
Fail to reject the null because the test statistic is not in the critical region and the p-value is less than alpha.
Reject the null because the test statistic is not in the critical region and the p-value is greater than alpha.
Reject the null because the test statistic is in the critical region and the p-value is greater than alpha.
Fail to reject the null because the test statistic is in the critical region and the p-value is greater than alpha.
Reject the null because the test statistic is in the critical region and the p-value is less than alpha.
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