Q202 / 270 · NDA 2014 (Phase 2) · Mathematics

The regression lines will be perpendicular to each other if the coefficient of correlation $r$ is equal to

A
1 only
B
1 or -1
C
-1 only
Correct answer
D
0

Solution

The correct answer is option(D)

Hence, the correct answer is option: 'D'.

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