7.) In order the test the effectiveness of their new antidepressant, Pop-em Pill company runs a small trial using 4 subjects in a repeated measures design. For each subject, depressive symptoms are measured before and after a four week trial on the new antidepressant. Calculate the appropriate analysis on the data below to test if the new formulation is successful in reducing depressive symptomatology. Is it significant? (worth 8 points) Before Drug 23 16 2622 27 24 After Drug 17 7902 10 12 8.) Calculate the confidence interval for this statistic based on the data presented (worth 3 points) 9.) Calculate the effect size (worth 3 points)