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Null Hypothesis, Alternat Hypothesis, Test Statistic, P-Value, Decision based on P-Value & Level of Significan - fatigue data book warez

4.Patients chronic fatigue syndrome have been tested and verified after the treatment with fludrocortisone. The changes in fatigue were measured after treatment (after "The relationship between neurally mediated hypotension and chronic fatigue"-Bou Holaigah, Rowe, Kan, and Calkins, Journal of American Medical Association, Vol.274, is n. 12). A-type scale from -7 to 7 with a positive value improvement is to be used. The sample of 21 patients had an average score of 4 on the scale with a standard deviation, s = Use a level of 2.17 significance level of 1% on the hypothesis that the average change tested positive (It is) an improvement. . If the treatment seems to be effective?