How Can the Influence of a Third Variable Be Shown

question 59

Multiple Choice

How can the influence of a third variable be shown on a two-dimensional graph?

• A)by allowing the relationship to be nonlinear
• B)by allowing the position of the relationship line or curve to shift on the graph
• C)by drawing a third axis coming out of the two axes
• D)by super-imposing the third variable on the two-dimensional graph

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