Insomnia Treatment A clinical trial was conducted to test the effectiveness of the drug zopiclone for treating

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Insomnia Treatment A clinical trial was conducted to test the effectiveness of the drug zopiclone for treating insomnia in older subjects. After treatment with zopiclone, 16 subjects had a mean wake time of 98.9 min and a standard deviation of 42.3 min (based on data from “Cognitive Behavioral Therapy vs Zopiclone for Treatment of Chronic Primary Insomnia in Older Adults,”

by Sivertsen et al., Journal of the American Medical Association, Vol. 295, No. 24). Assume that the 16 sample values appear to be from a normally distributed population and construct a 98%

confidence interval estimate of the standard deviation of the wake times for a population with zopiclone treatments. Does the result indicate whether the treatment is effective?

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Biostatistics For The Biological And Health Sciences

ISBN: 9780134039015

2nd Edition

Authors: Marc Triola, Mario Triola, Jason Roy

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