correlation
1. [ noun ] a reciprocal relation between two or more things
Synonyms: correlativity
Related terms: reciprocality correlate
2. [ noun ] (mathematics,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)
Synonyms: coefficient_of_correlation correlation_coefficient
Examples:

"what is the correlation between those two variables?"

Related terms: parametric_statistic multiple_correlation_coefficient product-moment_correlation_coefficient biserial_correlation_coefficient split-half_correlation tetrachoric_correlation_coefficient statistics
3. [ noun ] (mathematics,statistics) 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: correlational_statistics
Related terms: statistics partial_correlation curvilinear_correlation positive_correlation negative_correlation spurious_correlation correlational_analysis
Similar spelling:   correlational
  correlative
  correlate
  correlativity
  correlated
  corelate