Anorexia Nervosa (AN) is a psychiatric condition leading tosubstantial weight loss among
Chapter 9, Problem 27(choose chapter or problem)
Anorexia Nervosa (AN) is a psychiatric condition leading tosubstantial weight loss among women who are fearful ofbecoming fat. The article Adipose Tissue Distribution AfterWeight Restoration and Weight Maintenance in Women withAnorexia Nervosa (Amer. J. of Clinical Nutr., 2009:11321137) used whole-body magnetic resonance imageryto determine various tissue characteristics for both an ANsample of individuals who had undergone acute weightrestoration and maintained their weight for a year and a comparable(at the outset of the study) control sample. Here issummary data on intermuscular adipose tissue (IAT; kg).Assume that both samples were selected from normal distributions.a. Calculate an estimate for true average IAT underthe described AN protocol, and do so in a way thatconveys information about the reliability and precisionof the estimation.b. Calculate an estimate for the difference between trueaverage AN IAT and true average control IAT, and do soin a way that conveys information about the reliabilityand precision of the estimation. What does your estimatesuggest about true average AN IAT relative to true averagecontrol IAT?
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