Allied & ICAR Exam Bank • ALLIED_2127 NAT • 1 Mark

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Data Interpretation

Question Statement:

If the coefficient of determination $R^2$ in a bivariate regression model is 0.64, the absolute value of the correlation coefficient $|r|$ is:

Answer Key:

0.8

Step-by-Step Solution & Explanation

$|r| = \sqrt{R^2} = \sqrt{0.64} = 0.8$.
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