Patients with chronic fatigue syndrome were tested then retested after being treated with fluorocortisone. Listed below are the changes in fatigue...

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

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Given Data: 6. 5. 0. 5. fi. 7. 3. 3. 2. fi. 5. 5. 0. fi. 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...