Call toll free: +1 (304) 397-0675 or Request a call

DRAWING INFERENCES ABOUT POPULATION MEANS AND PROPORTIONS Case Assignment A

 

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        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:

  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.

Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!