Is this right?

3. (3 points) A pharmaceutical company invents a drug which they hope will lower cholesterol. They create a double-blind study, using a treatment and control group. Their results are summarized below. Control Treatment 206.4 195.2 23.1 20.4 43 34 Is there evidence at o = 0.01 to support the a claim that the new treatment works? (a) What test are you using? Give a brief explanation for your answer. (b) What are the populations which are sampled? (c) Is this one or two tailed? (d) Clearly state both the null and alternative hypotheses. (e) Determine ferit and tsamp, and/or a p value. (f) What decision do you make about your hypotheses? Briefly, interpret this answer in terms of the actual situation - what is the company's reaction? (g) Construct an appropriate confidence interval for difference in cholesterol in each group. (h) Include an effect size index and interpretation, as appropriate. A). two sample +-test, independent equal variance, since here we are really testing whether or not our two populations are in fast the same. 6). Population 1 is all people who have or will eventually take the new treatment. Population 2 is people who have not taken it .