A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 23 subjects had amean wake time of 102.0 min. After treatment, the 23 subjects had a mean wake time of 98.5 min and a standard deviation of 24.2 min.Assume that the 23 sample values appear to be from a normally distributed population and construct a 90% confidence interval estimateof the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of 102.0 min beforethe treatment? Does the drug appear to be effective?Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment.min<

Given data for the after treatment, The formula of constructing the confidence interval about the…

Answered: A clinical trial was conducted to test…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 20 subjects had a mean wake time of 102.0 min. After treatment, the 20 subjects had a mean wake time of 92.5 min and a standard deviation of 24.6 min. Assume that the 20 sample values appear to be from a normally distributed population and construct a 99% confidence interval estimate of the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of 102.0 min before the treatment? Does the drug appear to be effective? Construct the 99% confidence interval estimate of the mean wake time for a population with the treatment. min <µ< min (Round to one decimal place as needed.)
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 25 subjects had a mean wake time of 100.0 min. After treatment, the 25 subjects had a mean wake time of 91.5 min and a standard deviation of 22.6 min. Assume that the 25 sample values appear to be from a normally distributed population and construct a 99% confidence interval estimate of the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of 100.0 min before the treatment? Does the drug appear to be effective? Question content area bottom Part 1 Construct the 99% confidence interval estimate of the mean wake time for a population with the treatment. min<μ< min (Round to one decimal place as needed.)
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