Regression Formulas. Regression equation y a bx slope b nσxy σx σy nσx 2 σx 2 intercept a σy b σx n where x and y are the variables. Variance x x 522.
The equation of linear regression is similar to the slope formula what we have learned before in earlier classes such as linear equations in two variables. Linear regression shows the linear relationship between two variables. A stands for the intercept.
Variance of a 1x.
Y is the dependent variable. X independent explanatory variable. B is the slope. Intercept a y b x.
