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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|Cholesterol Decreased||No Cholesterol Decrease||Total|
- 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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