Synonyms of correlation

1. correlation, correlativity, reciprocality, reciprocity: usage: a reciprocal relation between two or more things
2. correlation coefficient, coefficient of correlation, correlation, parametric statistic: usage: 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. correlation, correlational statistics, statistics: usage: 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