Suppose a random sample of 1,220 U.S. adults were asked about their opinion regarding federal spending on infrastructure (i.e. roads and bridges). Respondents were asked whether federal spending on infrastructure was (a)too low, (b)adequate, or (c)too high. Respondents were classified by income level. If we wanted to test whether there was an association between the response to the question and income level, would this be a test of homogeneity or of independence?
A)Independence
B)Homogeneity

Question

Quizplus · Accepted Answer

This is a test of independence because we are interested in whether the response to the question is independent of income level.

Suppose a Random Sample of 1,220 U