You Have Been Using the Chi-Square Test of Independence to Test

Essay

You have been using the chi-square test of independence to test for association between
two variables. Give an example of a pair of variables for which you would expect to find
no association. Give an example of a pair of variables for which you would expect to find
association, but not a causal relationship. Finally, give an example of a pair of variables for
which you would expect to find a causal relationship.