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

Question

Quizplus · Accepted Answer

The correlation coefficient ranges from -1 to 1, and a coefficient of 1.09 is impossible. Therefore, statement C is incorrect. The remaining statements all contain believable correlation coefficients, but statement E is the only one that does not contain a mistake.

All but One of These Statements Contain a Mistake