An Interaction Term in a Multiple Regression Model May Be

question 14

True/False

An interaction term in a multiple regression model may be used when the relationship between X₁ and Y changes for differing values of X₂.

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Definitions:

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions, often leading to diffusion.

Clotting Reaction

A process where blood changes from a liquid to a gel, forming a blood clot.

Atherosclerosis

Form of cardiovascular disease characterized by the accumulation of fatty materials (usually cholesterol) in the arteries.

Cholesterol

A waxy type of lipid, necessary for the formation of cell membranes and certain hormones, but high levels in blood can increase heart disease risk.