In a Multiple Regression Analysis, the Following Correlation Matrix Was

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.