Statistics- To test the efficacy of a new cholesterol-lowering medication

QUESTION

To test the efficacy of a new cholesterol-lowering medication, 10 people are selected at random. Each has their LDL levels measured (shown below as Before), then take the medicine for 10 weeks, and then has their LDL levels measured again (After).SubjectBeforeAfter114414721591343175180419516351511436174138711699817315691881951011676Give a 96.6% confidence interval for μB−μA, the difference between LDL levels before and after taking the medication.Confidence Interval = at 96.6% confidence.Give your answer as an open interval, in the form (A,B) where A is the lower bound and B is the upper bound.

ANSWER:

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