Below is a partial multiple regression ANOVA table. Test the overall usefulness of the model at italic alpha =.01. Calculate F and make your decision about whether the model is useful for prediction purposes.
Source
|
SS
|
df
|
X1
|
535.9569
|
1
|
X2
|
1,167.5634
|
1
|
X3
|
18.9886
|
1
|
Error
|
3,459.6803
|
8
|