18. Look at the following cross table of two ordinal variables. Is there a correlation between variable A and B? Variable A Variable B 1 2 3 4 Total 5 5 5 5 20 2 5 5 5 5 20 3 5 5 5 5 20 4 5 5 5 5 20 Total 20 20 20 20 80 . No, there is no correlation. . Cannot be seen from the table. Yes, there is a positive correlation. . Yes, there is a negative correlation