Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

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

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 76.9 min and a standard 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 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.

What does the result suggest about the mean wake time of 102.0 min before the treatment? Does the drug appear to be effective?

Fill in the blank

The confidence interval does not include includes the mean wake time of 102.0 min before the treatment, so the means before and after the treatment could be the same. are different. This result suggests that the drug treatment does not have has an effect.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

The Structure Of Groups With A Quasiconvex Hierarchy (AMS-209)

Authors: Daniel T Wise

1st Edition

069121350X, 9780691213507

More Books

Students also viewed these Mathematics questions

Question

What problems face Russian automotive manufacturers?

Answered: 1 week ago