Math, asked by 9211020801pooja, 8 months ago

show that the coefficient of correlation is the geometric mean of the two regression coefficient.​

Answers

Answered by samyakk1
13

Answer:

We know that regression coeff. of x on y=b

xy

σ

y

σ

x

and regression coeff. of y on x=b

yx

σ

x

σ

y

∴b

xy

.b

yx

σ

y

σ

x

σ

x

σ

y

2

∴ρ=

b

xy

.b

yx

(Here ρ is correlation coefficient).

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