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Noun: correlation coefficient  `kó-ru'ley-shun `kow-u'fi-shunt
  1. 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 coefficient between those two variables?"
    - coefficient of correlation, correlation

Derived forms: correlation coefficients

Type of: parametric statistic

Encyclopedia: Correlation coefficient