Patients with chronic fatigue syndrome were tested then retested after being treated with fluorocortisone. Listed below are the changes in fatigue after the treatment. A standard scale from -7 to +7 was used, with positive values representing improvements. Use a 0.01 significance level to test the claim that the mean change is positive. Does the treatment appear to be effective?
6 5 0 5 6 7 3 3 2 6 5 5 0 6 3 4 3 7 0 4 4
Please answer with full steps, thanks!
Given Data: 6. 5. 0. 5. ?. 7. 3. 3. 2. ?. 5. 5. 0. ?. 3. 4. 3. 7. 0. 4. 4 We calculate sample mean and std deviation from given data. _ _ 2(3) _ 84 _Sample Mean. .1: — n _ a _42 Elm…
