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

Find the regression coefficients b_(yx) and b_(xy) and the two lines of regression for the following data: {:(x,2,6,4,7,5),(y,8,8,5,6,2):}

Find the regression coefficient b_(yx) and b_(xy) when the lines of regression are 6x-5y+10=0, 10x-3y-28=0 .

Find the equation of lines regression from the following data : Correlation of coefficient = (2)/(3)

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?

If two lines of regression are perpendicular, then the correlation coefficient r is