What Role Does the Coefficient of Determination Play in Regression

question 32

Essay

What role does the coefficient of determination play in regression?

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Definitions:

Representative Sample

A subset of a population that accurately reflects the larger group, used to make inferences about the population's characteristics.

Population

All the cases in a group being studied, from which samples may be drawn. (Note: Except for national studies, this does not refer to a country’s whole population.)

Independent Variable

In an experiment, the variable that is manipulated by the researcher to observe its effect on the dependent variable.

Negatively Correlated

Describes a relationship between two variables in which one variable increases as the other decreases, and vice versa.