Students are separated into groups of freshmen, sophomores, juniors, and seniors and then are surveyed about preference toward certain types of ice cream flavors. The results are given in the table.

Grade Level	Ice Cream
Chocolate	Vanilla	Strawberry
Freshman	20	22	13
Sophomore	25	21	10
Junior	18	24	8
Senior	29	17	5

To analyze this information, which inference procedure is appropriate to use? (2 points)

	Chi-square goodness-of-fit test
	Chi-square test of homogeneity
	Chi-square test of independence
	Two-proportion z-test
	Two-proportion t-test