Use the following information for following questions:. The roads in a particular state are in very poor condition, but the state claims that it does not have enough money to repair the roads.
A proposal is on the ballot to raise the sales tax in the state from 6% to 7% to pay for repairing the roads. A month before the election, a survey of likely voters is taken. A random sample of 500 likely voters under the age of 30 is selected, a random sample of 500 likely voters aged 30-49 is selected, and a random sample of 500 likely voters aged 50 or more is selected. Each likely voter is asked whether he/she is in favor of the increase in the sales tax or not.
-If we want to test whether there is an association between the response to the tax increase and age, would this be a test of homogeneity or of independence?
A)Homogeneity
B)Independence

Question

Quizplus · Accepted Answer

This scenario is a test of homogeneity because it compares the distribution of responses (in favor or not in favor of the tax increase) across different age groups to see if they are similar or different.

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