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nulas web page The chi-square test of independence for association) is characterized by the following When you are comparing the observed frequencies in one category (nominal variable) to those that would occur by chance O When you are comparing the observed frequencies in one category (nominal variable) to those that should occur given the charwod frequencies in another category (nominal variable) When you have two or more groups that you need to compare on a continuous outcome variable None of the other answers describes a chi-square test of independence