Testing Hypotheses
Testing Hypotheses
A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective?
| Cholesterol Decreased | No Cholesterol Decrease | Total | |
| Treatment | 38 | 18 | 56 |
| No treatment | 30 | 28 | 58 |
| Total | 68 | 46 | 114 |
Case Assignment
- Briefly describe the procedure for testing hypotheses.
- Formulate the null and alternative hypotheses.
- Determine the test statistic that you will use.
- Calculate the p-value. Show your work.
- Discuss whether there is enough evidence to reject the null hypothesis.
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