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 88.6 51.8 86.4 86.6 76 78.4 83.8 65 75.2 69.9 91.5 88.9 76 65.9 71.5 78 49.2 82.3 92.3 73.2 73.2 82.9 70.8 79.7 74.9 87.9 82.9 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? Oreject the null hypothesis: at least one 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 88.6 51.8 86.4 86.6 76 78.4 83.8 65 75.2 69.9 91.5 88.9 76 65.9 71.5 78 49.2 82.3 92.3 73.2 73.2 82.9 70.8 79.7 74.9 87.9 82.9 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? Oreject the null hypothesis: at least one 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
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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
88.6
51.8
86.4
86.6
76
78.4
83.8
65
75.2
69.9
91.5
88.9
76
65.9
71.5
78
49.2
82.3
92.3
73.2
73.2
82.9
70.8
79.7
74.9
87.9
82.9
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?
Oreject the null hypothesis: at least one
the group means is different
O fail to reject the null hypothesis: not enough evidence to suggest the group means are different
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