The Coefficient of Determination,or R-Squared,is Defined As:
A) 1 - $\Sigma$

Multiple Choice

The coefficient of determination,or R-squared,is defined as:

A) 1 - $\Sigma$ (Y_i + Y_estimated) ² / $\Sigma$ (Y_i + Y_mean) ².
B) 1 - $\Sigma$ (Y_i - Y_estimated) ² / $\Sigma$ (Y_i - Y_mean) ².
C) $\Sigma$ (Y_i + Y_estimated) ² / $\Sigma$ (Y_i + Y_mean) ².
D) 1 - $\Sigma$ (Y_i - Y_estimated) / $\Sigma$ (Y_i - Y_mean) .
E) 1 - [ $\Sigma$ (Y_i - Y_estimated) / $\Sigma$ (Y_i - Y_mean) ]².