Introduction to residuals and least-squares regression

Testing Assumptions of Linear Regression in SPSS

The OLS residuals in the multiple regression model:a.cannot be calculated because there is more than one explanatory variable.b.are typically the same as the population regression function errors.c.are zero because the predicted values are another name for forecasted values.d.can be calculated by subtracting the fitted values from the actual values.

Linear Regression - Problems with Solutions