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
1. Briefly describe the procedure for testing hypotheses.
2. Formulate the null and alternative hypotheses.
3. Determine the test statistic that you will use.
4. Calculate the p-value. Show your work.
5. Discuss whether there is enough evidence to reject the null hypothesis.
Assignment Expectations
Use the information in the modular background readings as well as resources you find through ProQuest or other online sources. Please be sure to cite all sources and provide a reference list at the end of the paper. Submit the paper as a Word document through the link provided for the assignment.
Length: 2–3 pages typed and double-spaced.
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