In Multiple Regression Analysis, Residuals (Y - Ŷ) Are Used

question 89

Multiple Choice

In multiple regression analysis, residuals (Y - Ŷ) are used to _____________.

• A) Provide a global test of a multiple regression model
• B) Evaluate multicollinearity
• C) Evaluate homoscedasticity
• D) Compare two regression coefficients

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Definitions:

Polynomial Model

A type of regression analysis where the relationship between the independent variable and the dependent variable is modeled as an nth degree polynomial.

Predictor Variable

A variable used in-statistical models to predict or estimate the value of an outcome variable.

P Predictor

A variable in a statistical model that is used to predict the outcome of a dependent variable based on its relationship with the predictor.

Regression Equation

An equation in mathematics employed to forecast the value of a dependent variable using one or more independent variables.