If a data set has a relationship that is best described by a linear model, than the residual plot will
A) have no pattern with a correlation near 0.
B) also have a linear pattern with a similar correlation.
C) have a curved pattern, like a parabola.
D) be an unknown shape.
E) none of these

Question

Quizplus · Accepted Answer

If the relationship between the data set can be described by a linear model, the residual plot should have no pattern, indicating that the linear model is a good fit for the data. The correlation should be near 0, indicating that there is no relationship between the residuals and the predicted values. A linear or curved pattern in the residual plot would indicate that the linear model is not a good fit for the data.

If a Data Set Has a Relationship That Is Best