How do you calculate the expected frequency in a Chi-square test?
- By calculating the mode of the observed frequencies
- By dividing the total frequency by the number of categories
- By multiplying the row total and column total and dividing by the total number of observations
- By taking the mean of the observed frequencies
In a Chi-square test, the expected frequency for each cell in the contingency table is calculated by multiplying the row total and column total and then dividing by the total number of observations.
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