In a chi-square, the numerator for calculating the chi square for a single cell of the contingency table is _____
a. the expected frequency minus the observed frequency
b. the observed frequency minus the expected frequency
c. the square of the difference between the observed frequency and the expected frequency
d. the sum of the observed and expected frequencies squared
C
The numerator of chi-square for any given cell in the table equals the square of the observed frequency minus the expected frequency.
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