QUESTION 30 10.0- 7.51 IV2 means 5.0- X X Y 2.5 - 0.0 - IV1 The above graph shows 4 means that are the outcome of a 2x2 design. Consider an effect (main effect or interaction effect) to be present if the appropriate difference is greater than zero. Check all of the options that apply to this graph. O a. There is a main effect of IV1 O b. There is not a main effect of IV1 O c. There is a main effect of IV2 O d. There is not a main effect of IV2 O e. There is an IV1*IV2 interaction O f. There is not an IV1*IV2 interaction