If two lines of regression are perpendicular then the correlation coefficient r is a 2 b 1 2 c 0

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Latest NDA Aptitude Question SOLUTION: If two lines of regression are perpendicular, then the correlation coefficient r is (a) 2 (b) 1/2 (c) 0 (d) None of the above

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(#M40026486) NDA Numerical Ability question Mental Ability Keep an EYE

If two lines of regression are perpendicular, then the correlation coefficient r is
(a) 2 (b)
1/2 (c) 0 (d) None of the above

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