weight loss program based on exercise less effective than a program based on diet? The 54 overweight people put on a strict one year exercise program lost an average of 27 pounds with a standard deviation of 5 pounds. The 47 overweight people put on a strict one year diet lost an average of 29 pounds with a standard deviation of 6 pounds. What can be concluded at the αα = 0.10 level of significance?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Is a weight loss program based on exercise less effective than a program based on diet? The 54 overweight people put on a strict one year exercise program lost an average of 27 pounds with a standard deviation of 5 pounds. The 47 overweight people put on a strict one year diet lost an average of 29 pounds with a standard deviation of 6 pounds. What can be concluded at the αα = 0.10 level of significance?

 

The Pvalue is = ?

f. Based on this, we should Select an answer the null
hypothesis.
g. Thus, the final conclusion is that ...
The results are statistically significant at a =
0.10, so there is sufficient evidence to conclude
that the mean weight loss for the 54 participants
on the exercise program is less than the mean
weight loss for the 47 participants on the diet.
The results are statistically insignificant at a =
0.10, so there is statistically significant evidence
to conclude that the population mean weight
loss on the exercise program is equal to the
population mean weight loss on the diet.
The results are statistically insignificant at a =
0.10, so there is insufficient evidence to
conclude that the population mean weight loss
on the exercise program is less than the
population mean weight loss on the diet.
The results are statistically significant at a =
0.10, so there is sufficient evidence to conclude
that the population mean weight loss on the
exercise program is less than the population
mean weight loss on the diet.
h. Interpret the p-value in the context of the study.
If the population mean weight loss on the
exercise program is equal to the population
mean weight loss on the diet and if another 54
and 47 participants on the exercise program and
on the diet are observed then there would be a
3.73% chance that the mean weight loss for the
54 participants on the exercise program would
be at least 2 pounds less than the mean weight
loss for the 47 participants on the diet.
There is a 3.73% chance of a Type I error.
There is a 3.73% chance that the mean weight
loss for the 54 participants on the exercise
program is at least 2 pounds less than the mean
weight loss for the 47 participants on the diet.
O If the sample mean weight loss the 54
participants on the exercise program is the same
as the sample mean weight loss for the 47
participants on the diet and if another 54
participants on the exercise program and 47
participants on the diet are weighed then there
would be a 3.73% chance of concluding that the
mean weight loss for the 54 participants on the
exercise program is at least 2 pounds less than
the mean weight loss for the 47 participants on
the diet
Transcribed Image Text:f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the mean weight loss for the 54 participants on the exercise program is less than the mean weight loss for the 47 participants on the diet. The results are statistically insignificant at a = 0.10, so there is statistically significant evidence to conclude that the population mean weight loss on the exercise program is equal to the population mean weight loss on the diet. The results are statistically insignificant at a = 0.10, so there is insufficient evidence to conclude that the population mean weight loss on the exercise program is less than the population mean weight loss on the diet. The results are statistically significant at a = 0.10, so there is sufficient evidence to conclude that the population mean weight loss on the exercise program is less than the population mean weight loss on the diet. h. Interpret the p-value in the context of the study. If the population mean weight loss on the exercise program is equal to the population mean weight loss on the diet and if another 54 and 47 participants on the exercise program and on the diet are observed then there would be a 3.73% chance that the mean weight loss for the 54 participants on the exercise program would be at least 2 pounds less than the mean weight loss for the 47 participants on the diet. There is a 3.73% chance of a Type I error. There is a 3.73% chance that the mean weight loss for the 54 participants on the exercise program is at least 2 pounds less than the mean weight loss for the 47 participants on the diet. O If the sample mean weight loss the 54 participants on the exercise program is the same as the sample mean weight loss for the 47 participants on the diet and if another 54 participants on the exercise program and 47 participants on the diet are weighed then there would be a 3.73% chance of concluding that the mean weight loss for the 54 participants on the exercise program is at least 2 pounds less than the mean weight loss for the 47 participants on the diet
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman