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# R-squared Formula

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Which of the following is an expression for $R^{2}$? Select ALL that apply.

A

$[corr(y,\hat{y})]^{2}$

B

$\sum(y - \hat{y})^{2}$

C

$EV/TV$

D

$1 - (UV/TV)$

E

$UV/TV$