A college professor collected information on 430 students including their year i
ID: 3310045 • Letter: A
Question
A college professor collected information on 430 students including their year in school (freshman, sophomore, junior and senior) and their current college GPA. The resulting data was used to create this ANOVA table. Several values have been deleted.
Source
DF
Sum of Squares
Mean Square
F Value
Pr > F
Model
3
0.996
0.332
CCC
0.3304
Error
426
BBB
0.290
Corrected Total
AAA
124.519
Use this ANOVA table to find the variance of the entire group of 430 students.
Source
DF
Sum of Squares
Mean Square
F Value
Pr > F
Model
3
0.996
0.332
CCC
0.3304
Error
426
BBB
0.290
Corrected Total
AAA
124.519
Explanation / Answer
variance of the entire group of 430 students.
from above annova table we can say that the mean square error is the variance of entire group
i.e 0.290
so variance = 0.29
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