The two lines of regression meet at

Can the two lines of regression be parallel?

If the regression coefficients b_(xy)=1.6 and b_(yx)=0.4 , and theta is the angle between the two lines of regression, then the value of tantheta is

The two lines of regression for a bivariate distribution (X,Y) are 3 x + y = 7 and 3x + 5y = 11 . Find the regression coefficient b_(yx)

Consider the following statements : 1. If the correlation coefficient r_(xy)=0 , then the two lines of regression are parallel to each other. 2. If the correlation coefficient r_(xy)=pm1 , then the two lines of regression are perpendicular to each other. Which of the above statements is/are correct?

The two line of regression are perpendicular if

Find the regression coefficient b_(yx) and b_(xy) and the two lines of regression for the following data.Also compute the correlation coefficient

The equations of the two lines of regression are 6x + y− 31 = 0 and 3x + 2y− 26=0 . Identify the regression lines

State TRUE or FALSE: can the two lines of regression be perpendicular?