The formulas for the expected cell counts used in the chi-squared test ofhomogeneity of proportions and the chi-squared test of the independenceof two variables are the same.

Question

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The expected cell counts for both the chi-squared test of homogeneity and the chi-squared test of independence are calculated using the same formula: (row total * column total) / grand total.

The Formulas for the Expected Cell Counts Used in the Chi-Squared