Correlation
WordNet
noun
(1) A statistical relation between two or more variables such that systematic changes in the value of one variable are accompanied by systematic changes in the other
(2) A statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation)
"What is the correlation between those two variables?"
(3) A reciprocal relation between two or more things
WiktionaryText
Noun
- A reciprocal, parallel or complementary relationship between two or more comparable objects
- One of the several measures of the linear statistical relationship between two random variables, indicating both the strength and direction of the relationship.