statistics

Lesley University CMATH 6114 Statistics and Data Analysis Key Assignment

Revised July 15, 2014

Chronic Fatigue Syndrome

For the problem, identify the type of situation that is described (e.g., hypothesis test of µ with s unknown), perform the necessary calculations, and state your answer in normal language. The following table shows the results from a study of randomly selected patients with

Chronic Fatigue Syndrome. The patients were either given a particular drug or a placebo. Run a test at the .05 level, and state your conclusion in normal language.

Drug Placebo Total Improvement 20 19 39 No Improvement 10 16 26 Total 30 35 65