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2) 100 individuals who had high cholesterol were randomly selected for a study on a new drug. Those 100 individuals were assigned to a treatment

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I know its a matched pair test so, I performed that test. I dont know what the null hypothesis and alternative hypotheses and what the conclusion from that would be with the level of significance. I have attached the data and the test and the question that was asked.

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2) 100 individuals who had high cholesterol were randomly selected for a study on a new drug. Those 100 individuals
were assigned to a treatment group who used the new drug, went on a low fat diet and participated in a regular
routine of cardio exercise. The excel file labeled "Chol drug test HW 34” has both the before and after cholesterol
levels after 6 months on this treatment. a. {12 pts) Did the drug lower the cholesterol level? In order to determine this state the null and alternative hypotheses, perform the test and report your conclusion at a level of significance ofa=0.01.

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Paired Samples Statistics Mean N Std. Deviation Std. Error Mean
Pair 1 Before 255.51 100 15.574 1.557
After 197.66 100 21.55? 2.156 Paired Samples Correlations N Correlation Sig.
Pair 1 Before 8; After 100 .643 .000 Paired Samples Test
Paired Differences 95% Confidence Interval of the Difference
Mean Std. Deviation Std. Error Mean Lower Upper
Pair 1 Before — After 57.850 16.603 1.660 54.556 61.144
Paired Samples Test
t df Si . 2—tailed Pair 1 Before — After 34.844 99 .000

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