This quiz: 5 point(s) possible Quiz: Exam 6 Chapter 7

Quiz: Exam 6 Chapter 7 Question 4 of 5 This quiz: 5 point(s) possible This question: 1 point(s) possible Submit quiz A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 13 subjects had a mean wake time of 102,0 min. After treatrnent, the 13 subjects had a mean wake time of 98.3 min and a standard deviation of 23.4 min. Assume that the 13 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? Construct t-re 90% confidence interval estimate of the mean wake time for a populabon with the treatment. (Round to one decimal place as needed.) What does the result suggest about tie mean wake time of 102.0 min before the treatment? Does the drug appear to be effective? The confidence interval tie drug treatment the mean wake time of 102.0 min before the treatment, so the means before and after the treatment an effect. This result suggests that