A reporter investigates speeding on roads in a county and finds a correlation of 0.961 between the number of speeding tickets and the numbers of kilometres of well-paved roads.Assuming that the relation is linear,does it mean that there are more speeding tickets on well-paved roads?
A)Yes: the relation is linear.
B)No: speeding is a categorical variable.
C)Yes: the two variables are quantitative.
D)No: the correlation does not imply causality.
E)Yes: the correlation is close to 1.

Question

Quizplus · Accepted Answer

Correlation does not imply causality. A high correlation between the number of speeding tickets and the kilometers of well-paved roads does not necessarily mean that well-paved roads cause more speeding tickets; other factors could be at play.

A Reporter Investigates Speeding on Roads in a County and Finds