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CaseDrawing Inferences about Population Means and ProportionsCase Assignment A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects Assuming the tails of

 CaseDrawing Inferences about Population Means and ProportionsCase 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

  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

May 02 2020 View more View Less

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