drawing inferences about population means and proportions
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?
|
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No Cholesterol Decrease |
Total |
|
|
Treatment |
38 |
18 |
56 |
|
No treatment |
30 |
28 |
58 |
|
Total |
68 |
46 |
114 |
Submit a (2-3 pages) paper before the end of the module that:
- 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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