Question 2 According to Nielsen Media Research, children (Group 1-ages 2-11) spend an average of 21.5 hours watching television per week while teens (Group 2-ages 12-17) spend an average of 20.67 hours. Based on the sample statistics obtained below, is there sufficient evidence to conclude a difference in average television watching times between the two groups? Assume that the population variances are not equal. Use α = 0.01. Sample mean Sample variance Sample size Children 22.45 16.4 15 Teens 18.50 18.2 15 Required: Test Value=2.6 Round-off your answer to two decimal places.
Question 2 According to Nielsen Media Research, children (Group 1-ages 2-11) spend an average of 21.5 hours watching television per week while teens (Group 2-ages 12-17) spend an average of 20.67 hours. Based on the sample statistics obtained below, is there sufficient evidence to conclude a difference in average television watching times between the two groups? Assume that the population variances are not equal. Use α = 0.01. Sample mean Sample variance Sample size Children 22.45 16.4 15 Teens 18.50 18.2 15 Required: Test Value=2.6 Round-off your answer to two decimal places.
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
![Question 2
According to Nielsen Media Research, children (Group 1-ages 2-11) spend an average of 21.5
hours watching television per week while teens (Group 2-ages 12-17) spend an average of 20.67 hours.
Based on the sample statistics obtained below, is there sufficient evidence to conclude a difference in
average television watching times between the two groups? Assume that the population variances are not
equal. Use α = 0.01.
Sample mean
Sample variance
Sample size
Children
22.45
16.4
15
Teens
18.50
18.2
15
Required: Test Value=2.6
Round-off your answer to two decimal places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F37492199-3ad1-48b9-be82-ddfbde96a661%2Fe75d3832-97f6-43f5-b58e-ab9e9fc32e2e%2Fhkjo30r_processed.png&w=3840&q=75)
Transcribed Image Text:Question 2
According to Nielsen Media Research, children (Group 1-ages 2-11) spend an average of 21.5
hours watching television per week while teens (Group 2-ages 12-17) spend an average of 20.67 hours.
Based on the sample statistics obtained below, is there sufficient evidence to conclude a difference in
average television watching times between the two groups? Assume that the population variances are not
equal. Use α = 0.01.
Sample mean
Sample variance
Sample size
Children
22.45
16.4
15
Teens
18.50
18.2
15
Required: Test Value=2.6
Round-off your answer to two decimal places.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
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 2 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman