Which of the following is certainly not positively correlated?
A) SAT scores and college grades
B) smoking and lung disease
C) amount of snowfall and driving speed
D) high school grades and college grades

Question

Quizplus · Accepted Answer

Amount of snowfall and driving speed are not positively correlated. In fact, they are often negatively correlated, as driving speed tends to decrease as snowfall increases to maintain safety on the roads.

Which of the Following Is Certainly Not Positively Correlated