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Question Help ▼ A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 15 subjects had a mean wake time of 101.0 min. After treatment, the 15 subjects had a mean wake time of 97.3 min and a standard deviation of 23.5 min. Assume that the 15 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 101.0 min before the treatment? Does the drug appear to be effective? cents Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. cess min

Question Help ▼ A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 15 subjects had a mean wake time of 101.0 min. After treatment, the 15 subjects had a mean wake time of 97.3 min and a standard deviation of 23.5 min. Assume that the 15 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 101.0 min before the treatment? Does the drug appear to be effective? cents Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. cess min

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question Help ▼ A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 15 subjects had a mean wake time of 101.0 min. After treatment, the 15 subjects had a mean wake time of 97.3 min and a standard deviation of 23.5 min. Assume that the 15 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 101.0 min before the treatment? Does the drug appear to be effective? cents Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. cess min <µ<min (Round to one decimal place as needed.) ibrai What does the result suggest about the mean wake time of 101.0 min before the treatment? Does the drug appear to be effective? cions The confidence interval the mean wake time of 101.0 min before the treatment, so the means before and after the treatment This result suggests that a significant effect. does not include includes Enter your answer in each of the answer boxes.
Transcribed Image Text:Question Help ▼ A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 15 subjects had a mean wake time of 101.0 min. After treatment, the 15 subjects had a mean wake time of 97.3 min and a standard deviation of 23.5 min. Assume that the 15 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 101.0 min before the treatment? Does the drug appear to be effective? cents Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. cess min <µ<min (Round to one decimal place as needed.) ibrai What does the result suggest about the mean wake time of 101.0 min before the treatment? Does the drug appear to be effective? cions The confidence interval the mean wake time of 101.0 min before the treatment, so the means before and after the treatment This result suggests that a significant effect. does not include includes Enter your answer in each of the answer boxes.
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