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Noun: coefficient of correlation
  1. (statistics) 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 coefficient of correlation between those two variables?";
    - correlation coefficient, correlation

Derived forms: coefficients of correlation

Type of: parametric statistic

Encyclopedia: Coefficient of correlation