A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in...

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 104.0 min. After treatment, the 23 subjects had a mean wake time of 79.5 min and a standard deviation of 23.92 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 104.0 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< mu<___min

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orchestra answered 1 year ago

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