List of top Engineering Mathematics Questions on Regression analysis asked in TS PGECET

One of the normal equations for fitting a straight line \(y=a+bx\) is
If \(2Y - X - 50 = 0\), \(3Y - 2X - 10 = 0\) are the two regression equations, then the mean values of the variables \(X\) and \(Y\) respectively are: