Explain what would happen to the F ratio of this analysis of variance if 2 points were added to each score in Finals only group? (Note: The new scores would be 2, 4, 2, and 4 with T = 12 and SS = 4.)
Explain what would happen to the F ratio of this analysis of variance if 2 points were added to each score in Finals only group? (Note: The new scores would be 2, 4, 2, and 4 with T = 12 and SS = 4.)
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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Explain what would happen to the F ratio of this analysis of variance if 2 points were added to each score in Finals only group? (Note: The new scores would be 2, 4, 2, and 4 with T = 12 and SS = 4.)

Transcribed Image Text:(Use this data to answer questions 18-20).
A psychologist would like to examine the effects of different testing methods on the final
performance of college students. One group has regular quizzes, one group has three large
exams, and the third group only has a final exam. At the end of the course, the psychologist
interviews each student to get a measure of the student's overall knowledge of the material.
The results were as follows:
Quizzes
Exams
Final Only.
G = 48
ΣΧ2 = 272
F
574 00
3674
ON ON
8
T = 24
SS = 10
Between
Within
Total
Source
SS
T = 20
SS = 10
df
2
2
T = 4
SS = 4
MS
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