The test statistic for the chi-squared test of a contingency table is the same as the test statistic for the goodness-of-fit test.

Question

Quizplus · Accepted Answer

Both the chi-squared test for a contingency table and the goodness-of-fit test use the same formula for calculating the test statistic, which involves summing the squared differences between observed and expected frequencies, divided by the expected frequencies.

The Test Statistic for the Chi-Squared Test of a Contingency