1. The degrees of freedom are: Select ] 2. The mean square for groups (MSG) is: [Select] 3. The mean square for error (MSE) is: [Select) 4. The test statistic (F) is: [ Select ]
1. The degrees of freedom are: Select ] 2. The mean square for groups (MSG) is: [Select] 3. The mean square for error (MSE) is: [Select) 4. The test statistic (F) is: [ Select ]
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Reading highway signs is difficult for people with imperfect vision. Vision tends to deteriorate with age, so a study was performed to assess the distance (in
meters) at which signs could be read by young drivers, middle-aged drivers, and elderly drivers. Longer distances indicate better eyesight. The data were
analyzed with ANOVA.
A summary of data from the 45 participants in the three groups are presented below:
n
Xbar
Is
Young Drivers
14
430
30
Middle-aged Drivers
16
428
15
Elderly Drivers
15
278
15
Sum of Squares
Group
192247.3
Error
117737.3
Provide the following answers:
1. The degrees of freedom are:
[ Select ]
2. The mean square for groups (MSG) is: [Select]
3. The mean square for error (MSE) is: [ Select]
4. The test statistic (F) is: [ Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31512039-c3d9-4336-81fb-f6a85f52229a%2Fb3f32700-789d-42c1-bf0c-92084228f887%2F1msi4yk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Reading highway signs is difficult for people with imperfect vision. Vision tends to deteriorate with age, so a study was performed to assess the distance (in
meters) at which signs could be read by young drivers, middle-aged drivers, and elderly drivers. Longer distances indicate better eyesight. The data were
analyzed with ANOVA.
A summary of data from the 45 participants in the three groups are presented below:
n
Xbar
Is
Young Drivers
14
430
30
Middle-aged Drivers
16
428
15
Elderly Drivers
15
278
15
Sum of Squares
Group
192247.3
Error
117737.3
Provide the following answers:
1. The degrees of freedom are:
[ Select ]
2. The mean square for groups (MSG) is: [Select]
3. The mean square for error (MSE) is: [ Select]
4. The test statistic (F) is: [ Select]
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