Anorexia nervosa is a serious eating disorder, particularly among young women. The following data provide the weights,
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Does family therapy appear to be effective in helping anorexic young women gain weight? Perform the appropriate hypothesis test at the 5% significance level.
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Before After Before After Before After 833 94.3 76.9 76.8 82.1 95.5 86.0 915 94.2 101.6 77.6 90.7 82.5 919 734 949 83.5 92.5 86.7 100380.5 75.2 8.9 93.8 79.6 76.7816 77.8 86.0 91.7 87.3 98.083.8 95.2
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