If the results of a two-factor experiment are presented in a line graph, then what pattern appears in the graph if there is an interaction?
A)the lines in the graph are not straight (bent)
B)there is a space separating the lines
C)the lines are parallel
D)the lines move toward each other or cross

Question

Quizplus · Accepted Answer

An interaction in a two-factor experiment is indicated by lines that move toward each other or cross, showing that the effect of one factor depends on the level of the other factor.

If the Results of a Two-Factor Experiment Are Presented in a Line