which-of-the-following-residual-patterns-suggests-that-the-regression-model-is-n

Question

Which of the following residual patterns suggests that the regression model is NOT valid?

Accepted Answer

Residuals form a distinct pattern, such as a curve or oscillation.

Answer

Residuals are randomly scattered.

Answer

Residuals alternate between positive and negative values.

Answer

Residuals are close to zero.