A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 24 subjects had a mean wake time of 102.0 min. After treatment, the 24 subjects had a mean wake time of 81.7 min and a standard deviation of 24.2 min. Assume that the 24 sample values appear to be from a normally distributed population and construct a 90% 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? C Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. min<μ
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 24 subjects had a mean wake time of 102.0 min. After treatment, the 24 subjects had a mean wake time of 81.7 min and a standard deviation of 24.2 min. Assume that the 24 sample values appear to be from a normally distributed population and construct a 90% 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? C Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. min<μ
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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