R-Squared (Coefficient of Determination) Formula - Data Analysis

Formula:

Correlation Coefficient ( r ) = N x ∑ XY - ( ∑ X ) ( ∑ Y ) / √ N x ( ∑ X2 - ( ∑ X )2 √ N x ( ∑ Y2 - ( ∑ Y )2

Coefficient of Determination ( r2 ) = r x r.

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