if-a-residual-plot-shows-residuals-spreading-further-from-zero-as-x-increases-wh

Question

If a residual plot shows residuals spreading further from zero as x increases, what should you do?

Accepted Answer

Consider transforming the data or using a model that accounts for changing variance.

Answer

Conclude the model is perfect.

Answer

Ignore the pattern and use the linear model.

Answer

Remove all data points with large residuals.