A regression diagnostic tool used to study the possible effects of collinearity is
A) the VIF.
B) the Y-intercept.
C) the standard error of the estimate.
D) the slope.

Question

Quizplus · Accepted Answer

VIF (Variance Inflation Factor) is a common tool used to diagnose collinearity in regression analysis. It measures how much the variance of an estimated regression coefficient is increased due to collinearity among the predictor variables. A value greater than 5 or 10 is often considered a sign of significant collinearity. The other options mentioned (Y-intercept, standard error of the estimate, and slope) are not specific diagnostic tools for collinearity.

A Regression Diagnostic Tool Used to Study the Possible Effects