1. Education
You can opt-out at any time. Please refer to our privacy policy for contact information.

Suppressor Variable


Crowd at the Palio horse race in Siena By:
Victor Spinelli/Photographer's Choice/Getty Images
Definition: In statistics, a suppressor variable is a variable that, when controlled, has the effect of strengthening the relationship between two other variables. When left uncontrolled, the relationship between the two variables is weaker than it otherwise would be.

©2014 About.com. All rights reserved.