[noun] a reciprocal relation between two or more things Synonyms: correlativity
[noun] 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?" Synonyms: coefficient, coefficient of
[noun] 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 Synonyms: al statistics
