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 treatment, the 13 subjects had a mean wake time of 93.3 min and a standard deviation of 22.3 min. Assume that the 13 sample values appear to be from a normally distributed population and construct 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 treatment, the 13 subjects had a mean wake time of 93.3 min and a standard deviation of 22.3 min. Assume that the 13 sample values appear to be from a normally distributed population and construct a
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment,
mean wake time of
normally distributed population and construct a
interval estimate of the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of
13
subjects had a 102.0
min. After treatment, the
13
subjects had a mean wake time of
93.3
min and a standard deviation of
22.3
min. Assume that the
13
sample values appear to be from a 99%
confidence 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.74.474.4
min<μ<112.2112.2
min(Round to one decimal place as needed.)
What does the result suggest about the mean wake time of
102.0
min before the treatment? Does the drug appear to be effective?The confidence interval
the mean wake time of
This result suggests that the drug treatment
an effect.
▼
102.0
min before the treatment, so the means before and after the treatment
▼
are different.
could be the same.
▼
does not have
has
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman