All but one of these statements contain a mistake. Which could be true?
A) There is a high correlation (1.09) between height of a corn stalk and its age in weeks.
B) There is a correlation of 0.63 between gender and political party.
C) The correlation between the amount of fertilizer used and the yield of beans is 0.42.
D) The correlation between a car's length and its fuel efficiency is 0.71 miles per gallon.
E) The correlation between a football player's weight and the position he plays is 0.54.

Question

Quizplus · Accepted Answer

Correlation values range from -1 to 1. A correlation of 0.42 between fertilizer and bean yield is plausible, while other options either exceed the possible range or incorrectly apply correlation to categorical data.

All but One of These Statements Contain a Mistake