Term: Correlation Coefficient, r

Glossary Definition

Last Updated: 2007-07-31

Definition:

An indicator of the strength and direction of a linear relationship between two variables. Its absolute value can range from 0 (no relationship) to 1 (a perfect relationship). The sign of the coefficient indicates the direction of the relationship.

Related terms 

• Spearman's Rank-Order Correlation

References 

• De Coster C, Chateau D, Dahl M, Soodeen RA, McKeen N. Waiting Times for Surgery, Manitoba 1999/2000 to 2003/04. Winnipeg, MB: Manitoba Centre for Health Policy, 2007. [Report] [Summary] (View)