NDA2018MathematicsStatisticsActual
If the regression coefficient of Y on X is -6 , and the correlation coefficient between X and Y is - 1 2 , then the regression coefficient of X on Y would be
Options
- A1 24
- B- 1 24
- C- 1 6
- D1 6
Correct answer
B. - 1 24
Step-by-step solution
aligned & b_ y x =-6, r=- 1 2 & (- 1 2 )^2=-6 b_ x y & b_ x y =- 1 24 aligned