Please help me to solve (b). (Difference = 200 - After)

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" has both the before and after cholesterol levels after 6 months on this treatmente 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 of a= 0.01. - b. (12 pts) Was the cholesterol level lowered to below 200? In order to determine this state the null and alternative hypotheses, perform the test and report your conclusion at a level of significance of a = 0.01. (Hint: for this test you will only need to consider the after cholesterol level.) T-Test One-Sample Statistics N Mean Std. Deviation 21.55670 Std. Error Mean 2.15567 Difference 100 2.3400 One-Sample Test Test Value = 0 Mean Difference 99% Confidence interval of the Difference Lower Upper t df Sig. (2-tailed) 280 Difference 1.086 99 2.34000 -3.3217 8.0017