groups are sections and the dependent variable is an exam score. Section 1 Section 2 Section 3 88.4 61.1 74.5 79.9 72.1 85 82.7 87.6 82.5 84.7 69.3 77.6 64.3 45.3 69.3 79 84 75.8 71 79 74.1 62 78.4 72.1 66.9 67.6 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? O 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 47.9
groups are sections and the dependent variable is an exam score. Section 1 Section 2 Section 3 88.4 61.1 74.5 79.9 72.1 85 82.7 87.6 82.5 84.7 69.3 77.6 64.3 45.3 69.3 79 84 75.8 71 79 74.1 62 78.4 72.1 66.9 67.6 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? O 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 47.9
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
25n
![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
88.4
61.1
74.5
79.9
72.1
85
82.7
87.6
82.5
84.7
69.3
77.6
64.3
45.3
69.3
79
84
75.8
71
47.9
79
74.1
62
78.4
66.9
7.6
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?
O 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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F16a15c90-f602-47c0-8ea1-be09e3fffaa7%2Fb4053cfb-f3d5-41f9-9c3e-a66abede0676%2Fat6byjj_processed.jpeg&w=3840&q=75)
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
88.4
61.1
74.5
79.9
72.1
85
82.7
87.6
82.5
84.7
69.3
77.6
64.3
45.3
69.3
79
84
75.8
71
47.9
79
74.1
62
78.4
66.9
7.6
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?
O 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
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