A two-factor research study is used to evaluate the effectiveness of a new blood-pressure medication. For the first variable (treatment type), the 2 groups are medication versus no medication, and for the second variable (gender), the 2 groups are males vs. females.
Draw the correct table for this factorial ANOVA demonstrating the separate groups
For the study above, write down the null hypothesis for the main effect of variable 2
Suppose your study did not have a significant interaction. What would your lines look like?