When an Additional Explanatory Variable Is Introduced into a Multiple

question 117

True/False

When an additional explanatory variable is introduced into a multiple regression model,coefficient of determination adjusted for degrees of freedom can never decrease.

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Definitions:

Logistic Regression

A statistical method for analyzing datasets in which there are one or more independent variables that determine an outcome, which is categorical.

Dependent Variable

A variable in an experiment or study that is expected to change in response to changes in another variable, the independent variable.

Independent Variables

Variables in an experiment or regression which are manipulated or categorized to determine their effect on dependent variables.

Degrees of Freedom

Refers to the number of independent values or quantities which can be assigned to a statistical distribution.