Jul 13, 2017 Others

# Briefly Describe the Procedure for Testing Hypotheses

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# Briefly Describe the Procedure for Testing Hypotheses

INSTRUCTIONS:

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.

CONTENT:

MODULE 5 CASE: Hypothesis Testing Name Course Instructor Date Briefly describe the procedure for testing hypotheses Hypothesis testing seeks to establish whether the prediction made on the relationship variables is correct (Lehmann & Romano, 2005). In testing hypotheses, one makes assumptions about the study population and then identifies the null hypotheses. The type of data then determines the test statistic to be used based on the sampling distribution and the level of significance. The test statistic is then calculated, with decisions made after interpreting the results. In determining whether the results are significant

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