If \( \bar{x}=\bar{y}=0, \sum x_{i} y_{i}=12, \sigma_{X}=2, \sigma_...
If \( \bar{x}=\bar{y}=0, \sum x_{i} y_{i}=12, \sigma_{X}=2, \sigma_{Y}=3 \) and \( n=10 \),
P then the coefficient of correlation is
W
(1) 0.1
(2) 0.3
(3) 0.2
(4) \( 0 .-1 \)
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