Question: L Petersen et al evaluated the effects of integrated treatment

L. Petersen et al. evaluated the effects of integrated treatment for patients with a first episode of psychotic illness in the paper "A Randomised Multicentre Trial of Integrated Versus Standard Treatment for Patients With a First Episode of Psychotic Illness" (British Medical Journal, Vol. 331, (7517):602). Part of the study included a questionnaire that was designed to measure client satisfaction for both the integrated treatment and a standard treatment. The data on the WeissStats CD are based on the results of the client questionnaire.
a. Use the technology of your choice to determine the range and sample standard deviation of each of the two data sets.
b. Compare the two data sets by using your results from part (a).

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