Janet sets out on a trip in her car to visit her boyfriend who lives a few hours away. Which of the following Pearson correlation coefficients could represent the correlation between the number of miles that she drives and the gallons of gas that her car uses?
A) -.81
B) .65
C) 1.24
D) 0.00

Question

Quizplus · Accepted Answer

The correlation between the number of miles driven and the gallons of gas used is likely to be positive, as driving more miles typically requires more gas. A correlation coefficient of 1.24 is not possible since correlation coefficients range from -1 to 1.

Janet Sets Out on a Trip in Her Car to Visit