Question: The ____ is a nonparametric statistical procedure used to test hypotheses about the discrepancy between the observed and expected frequencies for the levels of a

The ____ is a nonparametric statistical procedure used to test hypotheses about the discrepancy between the observed and expected frequencies for the levels of a single categorical variable or two categorical variables observed together. [Fill in the blank]

a. chi-square test

b. χ2 test

c. Both a and b are correct.

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