In a Multiple Regression Analysis, the Following Correlation Matrix Was

question 96

Multiple Choice

In a multiple regression analysis, the following correlation matrix was computed. What does the correlation matrix suggest about the independent variables?

• A) X₁ and X₂ are correlated.
• B) No correlation between the independent variables.
• C) All 4 independent variables are highly correlated with each other, therefore multicollinearity exists.
• D) X₁ and X₄.
• E) X₂ and X₄ are correlated as well as X₁ and X_3; therefore multicollinearity exists.

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Definitions:

Lower Explosion Level (LEL)

The lowest concentration of a gas or vapor in the air that will ignite and produce a flame.

Vapor Phase

The state of a substance when it is in gas form, especially when it coexists with its liquid or solid phase.

Avogadro's Law

States that equal volumes of gases at the same temperature and pressure contain the same number of molecules.

Equal Volumes

Describes when two or more substances occupy the same amount of space, despite possibly having different shapes or forms.