# Question

Consider these two tables of cell means. Which one shows a possible interaction, and which one does not show any evidence of an interaction?
Table 1
Table 2
Based upon these two tables, show that:
a. When an interaction is not present, a cell mean is just the linear combination of the row effect for A and the column effect for B.
b. When an interaction is present, a cell mean is something other than just the linear combination of these effects.

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