Summary statistics about the resulting Hamilton Depression Rating Scale (HDRS) scores at the end of the eight-week clinical trial are as follow:

Groupnmean standard deviation

Treatment175.43.0

Control229.83.5

A.Estimate a 95% confidence interval (CI) for the mean HDRS score in the Treatment population (ie: ifthe population of women with a major depressive disorder were given Treatment - antidepressant + oral creatinine): note, since there are only 17 subjects in the Treatment group, use 2.12when creating the 95% CI. (this value comes from a t-distribution with 16 df)

B.Estimate a 95% CI for the mean HDRS score in the Control population (ie: ifthe population of women with a major depressive disorder were given what the Control sample was prescribed - antidepressant + oral placebo) note, since there are only 22 subjects in the Placebo group, use 2.08when creating the 95% CI. (this value comes from a t-distribution with 21 df).

C.Do the confidence intervals from items 4 and 5 share any common values (ie: overlap)?