This problem demonstrates a possible (though rare) situation that can occur with group comparisons. The groups are sections and the dependent variable is an exam score. Section 1 Section 2 Section 3 85.2 66.4 72.9 71.3 67.3 76.6 90 72.2 82.9 77.4 74.6 90.3 88 89.3 81.1 84.3 53.2 87.8 79.4 77.4 74.6 93.7 92.9 84.3 76.3 50.6 83.7 Run a one-way ANOVA (fixed effect) with a = 0.05. Round the F-ratio to three decimal places and the p- value to four decimal places. Assume all population and ANOVA requirements are met. F P What is the conclusion from the ANOVA? reject the null hypothesis: at least one of the group means is different O fail to reject the null hypothesis: not enough evidence to suggest the group means are different
This problem demonstrates a possible (though rare) situation that can occur with group comparisons. The groups are sections and the dependent variable is an exam score. Section 1 Section 2 Section 3 85.2 66.4 72.9 71.3 67.3 76.6 90 72.2 82.9 77.4 74.6 90.3 88 89.3 81.1 84.3 53.2 87.8 79.4 77.4 74.6 93.7 92.9 84.3 76.3 50.6 83.7 Run a one-way ANOVA (fixed effect) with a = 0.05. Round the F-ratio to three decimal places and the p- value to four decimal places. Assume all population and ANOVA requirements are met. F P What is the conclusion from the ANOVA? reject the null hypothesis: at least one of the group means is different O fail to reject the null hypothesis: not enough evidence to suggest the group means are different
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
25
Transcribed Image Text:This problem demonstrates a possible (though rare) situation that can occur with group comparisons. The
groups are sections and the dependent variable is an exam score.
Section 1
Section 2 Section 3
85.2
66.4
72.9
71.3
67.3
76.6
90
72.2
82.9
77.4
74.6
90.3
88
89.3
81.1
84.3
53.2
87.8
79.4
77.4
74.6
93.7
92.9
84.3
76.3
50.6
83.7
Run a one-way ANOVA (fixed effect) with a = 0.05. Round the F-ratio to three decimal places and the p-
value to four decimal places. Assume all population and ANOVA requirements are met.
F
Р
What is the conclusion from the ANOVA?
reject the null hypothesis: at least one of the group means is different
fail to reject the null hypothesis: not enough evidence to suggest the group means are different
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 with 4 images
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