A Pearson r of .70 yields a coefficient-of-determination accuracy estimate of
A) 70%
B) 35%
C) 49%
D) .05%

Name: A Pearson r of .70 yields a coefficient-of-determination accuracy estimate of A) 70% B) 35% C) 49% D) .05%
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Question

Quizplus · Accepted Answer

The coefficient-of-determination, also known as R-squared, is equal to the square of the Pearson correlation coefficient (r^2). Therefore, with an r of .70, R-squared = .49 or 49%.

A Pearson R of