In a 2*2 Factorial Design, the Cell Means Are Given

Multiple Choice

In a 2*2 factorial design, the cell means are given as follows: cell 11=10, cell 12 = 20, cell 21 = 10, cell 22 = 0. Assume that the within-cell variation is small. Which one of the following conclusions seems most probable?

A) All effects are significant.
B) Only the two main effects is significant.
C) Only the interaction is significant.
D) The interaction and one of the main effects are significant.