Consider the Following Residual Plot

question 12

Multiple Choice

Consider the following residual plot. Given this plot, what conclusion should be reached?

• A) There appears to be no basis for concluding that the relationship between the x and y variable is not linear.
• B) The assumption of constant variance seems to be supported by this plot.
• C) Both A and B are true.
• D) Neither A nor B are true.

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Definitions:

Vertex

The highest or lowest point of a parabola where it changes direction, or a corner point of a geometric shape.

Focus

In geometry and optics, the point where rays or waves meet or from which they diverge, especially after reflection or refraction.

Function

A relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Vertices

Plural of vertex, referring to the corners or angular points where two or more edges meet in a geometrical shape or graph.