Which of the following statements are not true about the sample correlation coefficient r?
A) The value of r depends on which of the two variables under study is labeled x and which is labeled y.
B) The value of r is independent of the units in which x and y are measure.
C) The value of r is always between -1 and +1, inclusive.
D) The value of r = 1 if all $\left( x _ { i } , y _ { i } \right)$
Pairs lie on a straight line with positive slope.
E) The value of r = -1 if all $\left( x _ { i } , y _ { i } \right)$
Pairs lie on a straight line with negative slope.

Question

Quizplus · Accepted Answer

The sample correlation coefficient $r$ is symmetric with respect to $x$ and $y$, meaning it does not depend on which variable is considered $x$ or $y$.

Which of the Following Statements Are Not True About the Sample