To calculate the residual, you would take A) y_{i -} B) - y_i C) x_i- D) x_{i -}

Question

Quizplus · Accepted Answer

The residual is defined as the difference between the observed value of the dependent variable (y) and the predicted value of the dependent variable (y hat). In linear regression, y hat is calculated as _{i +}, so the residual can be calculated as y - (_{i +}), which can be simplified to (y_{i -}) / (). Therefore, the correct calculation of the residual is given by choice A.

To Calculate the Residual, You Would Take