Linear Regression Interview Question| Perpendicular regression lines

Question

When is the angle of intersection between two linear regression lines is 90 degrees, i.e. the regression lines are perpendicular ?

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Tanuj 4 years 1 Answer 885 views Member 0

Answer ( 1 )

  1. The two regression lines of two factors say X and Y are perpendicular when the linear correlation coefficient of the two factors is 0 i.e. when X and Y are uncorrelated.

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