The two regression lines coincide each other when r = .......................

Related MCQs

• The two regression lines are mutually perpendicular when r = ..............
• byx is the regression coefficient of regression equation ...........................
• If the sign of regression coefficient bxy is negative, then the sign of regression coefficient byx will be ........................
• Regression lines are also called .........................
• If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is ..........................
• If one regression coefficient is positive, the other is .......................
• ................................is the geometric mean of two regression coefficients.
• If the correlation between the two variables , X and Y is negative, the regression coefficient of Y on X is .............................
• The regression coefficient and correlation coefficient of two variables will be the same, if their .................... are same.
• The signs of regression coefficients will be .......................