1) Consider the partially completedone-way ANOVA summary table. How many populations are being compared for this ANOVAprocedure?

Source	Sum of Squares	Degrees of Freedom	Mean Sum of Squares	F
Between	270
Within		18
Total	810	21

A.2

B.5

C.3D.4

2)Consider the partially completedone-way ANOVA summary table. Determine the mean square between for this ANOVA procedure.

Source	Sum of Squares	Degrees of Freedom	Mean Sum of Squares	F
Between	270
Within		18
Total	810	21

A.46B.30C.90D.72

3)A vehicle pricing website would like to test if a difference exists in the age of three different types of vehicles currently on the road. The following data represent the age of a random sample oftrucks, cars, and vans. Determine the grand mean for these observations.

Trucks	Cars	Vans
12	8	3
8	7	7
9	10	6
11	7	8

A.8.9B.8.0C.9.3D.7.2

4)Consider the partially completed randomized block ANOVA summary table. Determine the mean square error for this ANOVA procedure.

Source	Sum of Squares	Degrees of Freedom	Mean Sum of Squares	F
Between	600	3
Block		5
Error	750
Total	2,150	23

A.160 B.50 C.410 D.200 5) Consider the partially completedtwo-way ANOVA summary table. Determine the degrees of freedom for the interaction of factors A and B for this ANOVA procedure.

Source	Sum of Squares	Degrees of Freedom	Mean Sum of Squares	F
Factor B		2
Factor A	600		200
Interaction	144
Error	384	12
Total	1,288	23

A.6B.3C.5D.4