If Pearson's r = .50 and N = 20,then the proportion of explained variance is:

Name: If Pearson's r = .50 and N = 20,then the proportion of explained variance is:
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The proportion of explained variance is measured by the coefficient of determination, which can be calculated as r^2. Therefore, r^2 = .50^2 = .25, indicating that 25% of the variance in the data is explained by the correlation. None of the other choices accurately represent the coefficient of determination.

If Pearson's R =