what is residuals of a heteroscedastic model what is residual variance in model define residuals what is the difference between residual error and a regression model what is residuals in a model difference between residuals and model errors what are residuals and errors what is a residual model error is heteroscedasticity a residual or a statistical error what is residuals what is the difference between residuals and statistical errors residuals in heteroscedasticity which is correct way to describe a variance function which of the following is correct when describing the difference between a sample and the true function value? what is residuals in a model what is residuals in heteroscedasticity what is residuals in model error and regression residuals vs variance definition how does the variance function of a model relate to residuals? why would residuals be a function of a model?