The proportion of variance in the outcome accounted for by the predictor variable or variables

R 2 is:

a. The percentage of variance in the predictor accounted for by the outcome variable.
b. The percentage of variance in the predictor accounted for by the outcome variable.
c. The proportion of variance in the outcome accounted for by the predictor variable or variables.
d. The percentage of variance in the predictor accounted for by the outcome variable.

C

Explanation:

R^2 is the proportion of variance in the outcome accounted for by the predictor variable or variables.

However it's based on the sample and is positively biased estimate of the proportion of the dependent variables to the independent variables

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