Imagine that you could draw a line through the points on a scatter plot depicting the relation between X and Y that slopes upward from left to right.Which of the following is a possible value for the correlation coefficient that you would compute from these data?
A) -1.0
B) -0.5
C) 0
D) 1.0

Question

Quizplus · Accepted Answer

A line that slopes upward from left to right indicates a positive association between X and Y. A correlation coefficient of +1 indicates a perfect positive association, meaning that as X increases, Y increases in a perfectly linear fashion. Therefore, the best choice would be D) 1.0.

Imagine That You Could Draw a Line Through the Points