The Correlation Between X and Y May Be Expressed As $\frac{\text{variation around y}} {\text{variation around regression}}$

Multiple Choice

The correlation between x and y may be expressed as:

A) r² = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$

B) r = 1 - $\frac{\text{variation around y}} {\text{variation around regression}}$

C) r² = 1 - $\frac{\text{variation around regression}} {\text{variation around the mean of y}}$

D) r = 1 - $\frac{\text{variation around regression}} {\text{variation around y}}$