Examining the effects of a new drug

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Reference no: EM133046100

A study was conducted to examine the effects of a new drug. 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 2months of treatment, the patients completed the test. The higher the score, the more depressed the patient.

Placebo

Low Dose

Moderate Dose

38

22

14

47

19

26

39

8

11

25

23

18

42

31

5

  1. What would be the null hypothesis in this study?
  2. What would be the alternate hypothesis?
  3. What probability level did you choose and why?

Reference no: EM133046100

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