Mathematics, 21.04.2021 04:00 davisearron
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 23 subjects had a mean wake time of 105.0 min. After treatment, the 23 subjects had a mean wake time of 98.9 min and a standard deviation of 22.5 min. Assume that the 23 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 105.0 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.
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A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older su...
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