u.bs/mod/quiz/attempt.php?attempt=74766&cmid=149163&page=20 1 Intermediate Statistics Final Examination Sp 7 b A research study was conducted to examine the clinical efficacy of a new antidepressant. Depressed patients were randomly assigned to one of three groups: a placebo group, a group that received a low dose of the drug, and a group that received a moderate dose of the drug. After four weeks of treatment, the patients completed the Beck Depression Inventory. The higher the score, the more depressed the patient. The data are presented below. Choose any suitable value of a = 0.05. PlaceboLow Dose Moderate Dose 26 25 Compute the appropriate test to answer following: What is your Critical Factor value? Is there a significant difference between the groups? How do you evaluate? (3.89), So we reject Ho. Thus we