mathxl.com MATH 1530 FO3 MW 11:00 Quiz: Final Exam Review (optional/not for grad

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mathxl.com MATH 1530 FO3 MW 11:00 Quiz: Final Exam Review (optional/not for grade) Submit Quiz This Question: 1 pt 430f 50 (17com plete) This Quiz: 50 pts possible Question Help * Aclnical trial was nducted to test the offe tienssofadrug for reducing the wake time of is na patients. After treatment, to 1 sa ple s wake time of 90.3 min and a standard deviation of 42.9 min. (Assume that the sample values are from a normally distributed population.) a) Construct a 99% confidence interval esti ate of the mean wake time for all patients after being treated with this dr b) Suppose the mean wake time of patients before the treatment was 100.0 min. Does the drug appear to be effective? pas had a mean a) construct the 99% confidence interval estimate of the mean wake time for a population with the treatment. Round to one decimal place as needed.) b) What does the result suggest about the mean wake time of 100.0 min before the treatment? Does the drug appear to be effective? The confidence interval This result suggests that the drug treatment | the mean wake time of 100.0 min before the treatment, so the means before and after the treatment I a significant effect. Enter your answer in each of the answer boxes.

Explanation / Answer

One-Sample T

N Mean StDev SE Mean      99% CI
18 90.3 42.9     10.1     (61.0, 119.6)

confidence interval is (61,119.6)

b)

i) contains ,  

ii) are not different i don't know what the options are) , cmment if you have doubt

iii)does not have

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