A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 16 subjects had a mean wake time of 103.0 min. After treatment, the 16 subjects had a mean wake time of 94.3 min and a standard deviation of 21.5 min. Assume that the 16 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 103.0 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.
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 16 subjects had a mean wake time of 103.0 min. After treatment, the 16 subjects had a mean wake time of 94.3 min and a standard deviation of 21.5 min. Assume that the 16 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 103.0 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.
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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Question
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment,
16
subjects had a
103.0
min. After treatment, the
16
subjects had a mean wake time of
94.3
min and a standard deviation of
21.5
min. Assume that the
16
sample values appear to be from a
99%
confidence
103.0
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.
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