Angie is computing the correlation between the intelligence test scores and the household incomes of a large sample of American adults. What type of correlation should she find?
A) a positive correlation
B) a zero correlation
C) a negative correlation
D) a perfect correlation

Question

Quizplus · Accepted Answer

It is likely that Angie will find a positive correlation between intelligence test scores and household incomes, meaning that as intelligence test scores increase, so do household incomes. This is because higher intelligence test scores may be associated with higher education and better job opportunities, leading to higher incomes.

Angie Is Computing the Correlation Between the Intelligence Test Scores