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Part A:For a three-way factorial ANOVA, how many interactions will be included in the ANOVA table?...

Part A:For a three-way factorial ANOVA, how many interactions will be included in the ANOVA table?

A.

6

B.

5

C.

7

D.

4

E.

3

Part B:

In ANOVA, the interaction of two variables is certainly present when

A. the difference between means across levels of one variable varies across levels of the other variable.

B. the two variables are negatively correlated.

C. the two variables are positively correlated.

D. the main effects do not account for all of the total observed score variance.
math   Statistics-And-Probability   
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Answer #1

Ans:

1)Correct option is A(6)

2)Correct option is:

the difference between means across levels of one variable varies across levels of the other variable.

Interaction effects represent the combined effects of factors on the dependent measure. When an interaction effect is present, the impact of one factor depends on the level of the other factor.

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