Noun

1

a reciprocal relation between two or more things

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 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

Noun

Synonymscorrelation, correlativity, correlation coefficient, coefficient of correlation, correlation, correlation, correlational statistics,