Continuing with the previous question, researchers ask a group of people about how they get to work. They also group the people by their political party. These values are recorded in the contingency table below. What is the test statistic, 20, for this test for homogeneity?

• Round the final answer to one decimal place.

	Car	Public Transit	Walk	Row Total
Democrats	6	13	19	38
Republicans	5	10	10	25
Column Total	11	23	29	63

Provide your answer below:

$$chi-square test statistic=