In a residual plot that does not suggest we should challenge the assumptions of our regression model, we would expect to see a _____.
A) horizontal band of points centered near 0
B) widening band of points
C) band of points having a slope consistent with that of the regression equation
D) parabolic band of points

Question

Quizplus · Accepted Answer

In a residual plot that does not suggest we should challenge the assumptions of our regression model, we would expect to see a horizontal band of points centered near 0. This indicates that the residuals are randomly scattered around 0 and there is no pattern indicating a violation of assumptions such as linearity, homoscedasticity, or independence.

In a Residual Plot That Does Not Suggest We Should