Module 4 Case
Module 4 – Case DRAWING INFERENCES ABOUT POPULATION MEANS AND PROPORTIONS Case Assignment
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
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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. Assignment Expectations
Assessment and Grading: Your paper will be assessed based on the performance assessment rubric that is linked within the course. Review it before you begin working on the assignment.
