A multiple linear regression model can be described by DATA = FIT + RESIDUAL.What does the RESIDUAL part represent?
A)The parameters of the model
B)The subpopulation means
C)The variation of observations about the means
D)None of the above

Question

Quizplus · Accepted Answer

The residual part in the multiple linear regression model represents the variation of observations about the means, as it is the difference between the predicted values (FIT) and the actual data (DATA) that cannot be explained by the model.

A Multiple Linear Regression Model Can Be Described by DATA