Question

What should be true about a residual plot if it represents a set of data for which a linear model is a good fit?
The residuals should form a horizontal line.
The residuals should form a diagonal line.
The residuals should be randomly dispersed around the horizontal axis.
The residuals should form a parabola.

Answer 1

hint: residual plot should NOT have a clear pattern

which answer best matches this description?

Answer 2

oh so it's the third one

Answer 3

good job!

Answer 4

thank you