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1. A reciprocal relation between two or more things
   - correlativity
    
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?"
   - correlation coefficient, coefficient of correlation
    
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
   - correlational statistics

Derived forms: correlations

See also: correlate, correlational

Type of: parametric statistic, reciprocality, reciprocity, statistics, stats

Part of: correlational analysis

Encyclopedia: Correlation