While checking for linearity by examining the residual plot, the residuals must:
A) exhibit a linear trend.
B) form a parabolic shape.
C) be randomly scattered.
D) be below the x-axis.

Question

Quizplus · Accepted Answer

Residuals should be randomly scattered around the zero line, indicating that the errors are equally likely to be positive or negative and have a constant variance. Linear trend or a parabolic shape suggests non-linearity. Being below the x-axis doesn't make sense in this context.

While Checking for Linearity by Examining the Residual Plot, the Residuals