Question

if bxy=-0.8 then possible value of bxy is​

Answer 1

Answer:

We know, correlation co efficient

r=

b

XY

×b

YX

∴r=

−1.2×−0.3

r=

0.36

r=−0.6 (as b

XY

,b

YX

negative)

∴X and Y are negatively correlated with r=−0.6

Answer 2

Answer:

bxy and byx are two regression coefficients.

since bxy = -0.8

• We know that coefficient of correlation and regression coefficients have the same sign.

r^2 = bxy*byx

r^2 is always less than or equal to 1

so, bxy*byx is less than or equal to 1

Hence, byx = -1.2 or 1.2