<span>Both variables are categorical. We analyze an association through a comparison of conditional probabilities and graphically represent the data using contingency tables. Examples of categorical variables are gender and class standing.</span>
Their intersection is 7 because is you look at the coordinates of both A and B they have 7 in common
Option 1
because the x line is vertical and that’s the only one that crosses at 5
I just calculated it and it's 13 ..
