If values of correlation coefficient and regression coefficient of X on Y are 0.4 and 1 respectively then the value of regression coefficient of Y on X is
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Answer:
Correct option is A)
∵b
yx
=r
σ
y
σ
x
and b
xy
=r
σ
x
σ
y
∵b
yx
⋅b
xy
=r
2
⇒b
yx
(0.2)=(0.4)
2
(Given b
yx
=0.2,r=0.4)
⇒b
yx
=0.8
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