correlation

(noun)

noun

1. a reciprocal relation between two or more things

Definition categories: link, reciprocality, reciprocity

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?

Definition categories: thought

3. 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

Definition categories: thought, statistics