We can use the length of a man's hand span to predict his height, with a correlation coefficient of $r$ $= 0.60$. If change our measurements from $\mathrm { cm }$ to $\mathrm { m }$, the new correlation will be
A) 6
B) 0.06
C) 0.60
D) 0.006
E) none of these

Question

Quizplus · Accepted Answer

The correlation coefficient $r$ is a unitless measure of the strength and direction of a linear relationship between two variables. Changing the units of measurement does not affect the value of $r$.

We Can Use the Length of a Man's Hand Span rrr

We Can Use the Length of a Man's Hand Span $r$