A Machine Learning Specialist Is Attempting to Build a Linear

Multiple Choice

A Machine Learning Specialist is attempting to build a linear regression model. Given the displayed residual plot only, what is the MOST likely problem with the model?

A) Linear regression is inappropriate. The residuals do not have constant variance.
B) Linear regression is inappropriate. The underlying data has outliers.
C) Linear regression is appropriate. The residuals have a zero mean.
D) Linear regression is appropriate. The residuals have constant variance.