If the observed frequencies are exactly equal to the expected frequencies in a chi-square test, the value of $X^{2}$ is
A) close to 1 .
B) a large positive value.
C) 0 .
D) a very small positive value.

Question

Quizplus · Accepted Answer

The chi-square test statistic, $X^{2}$, is calculated based on the differences between observed and expected frequencies. If these frequencies are exactly equal, the differences are zero, leading to a $X^{2}$ value of 0.

If the Observed Frequencies Are Exactly Equal to the Expected X2X^{2}X2

If the Observed Frequencies Are Exactly Equal to the Expected $X^{2}$