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 102.0 min. After treatment, the 16 subjects had a mean wake time of 72.8 min and astandard deviation of 23.7 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 theresult 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.)What does the result suggest about the mean wake time of 102.0 min before the treatment? Does the drug appear to be effective?The confidence intervalthe mean wake time of 102.0 min before the treatment, so the means before and after the treatmentThis result suggests that the drug treatmenta significanteffect.are different.could be the same.

Obtain the 99% confidence interval for the population mean wake time of subjects after treatment:…

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, 17 subjects had a mean wake time of 103.0 min. After treatment, the 17 subjects had a mean wake time of 97.9 min and a standard deviation of 23.6 min. Assume that the 17 sample values appear to be from a normally distributed population and construct a 95% 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 95% 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, 14 subjects had a mean wake time of 103.0 min. After treatment, the 14 subjects had a mean wake time of 75.4 min and a standard deviation of 24.4 min. Assume that the 14 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. nothing minless than muless thannothing min (Round to one decimal place as needed.) What does the result suggest about the mean wake time of 103.0 min before the treatment? Does the drug appear to be effective? The confidence interval ▼…
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.)
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 21 subjects had a mean wake time of 100.0 min. After treatment, the 21 subjects had a mean wake time of 96.9 min and a standard deviation of 20.3 min. Assume that the 21 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 100.0 min before the 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< µ < ?? min
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 101.0 min. After treatment, the 20 subjects had a mean wake time of 91.5 min and a standard deviation of 23.1 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 101.0 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<< '☐ › min (Round to one decimal place as needed.)
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