Question

A Chi-square distribution with 14 degrees of freedom is a correct model for

Question 8 options:

	Testing whether choice of color is independent of age among 3 age groups and 5 color choices.
	Testing the question of whether 14 genetic traits are equally distributed in a population.
	A comparison of the equality of proportions of 8 sports activities for 3 high school grade levels.
	A comparison of the production percentage distribution of 7 car model colors with the statistically determined national preferences for those colors.
	Testing whether the choice to smoke cigarettes or not to smoke cigarettes is independent of ethnicity among 7 different ethnic groups.

Answer 1

A Chi-square distribution with 14 degrees of freedom is a correct model for :

• A comparison of the equality of proportions of 8 sports activities for 3 high school grade levels. In this case, degrees of freedom = (8 - 1)*(3 - 1) = 14