In: Statistics and Probability
Q1.Must write the hypotheses, analyze and state what your conclusions are and how you have drawn your conclusions. Also, state and check your assumptions.
Q2.explain the procedure of getting answers step-by-step.
Problem 1 : A research study was conducted to examine the clinical efficiency 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 Back Depression Inventory. The higher the score, the more depressed the patient. The data is presented below. Compute the appropriate test.
Placebo |
Low Dose |
Moderate Dose |
38 |
22 |
14 |
47 |
19 |
26 |
39 |
8 |
11 |
25 |
23 |
18 |
42 |
31 |
5 |