Determine whether the chi-square test is applied to the categorical or the numerical data.

Determine whether the chi-square test is applied to the categorical or the numerical data.
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Asma Vang
The chi-square test can be used for checking the association between categorical variables. The test can be used to decide whether the effect of one categorical data is dependent on the other variable or not. It is not used for the numerical data.
Therefore, the chi-square test is used for the categorical data.