Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun correlation

3 senses of correlation

Sense 1
correlation, correlativity -- (a reciprocal relation between two or more things)
       => reciprocality, reciprocity -- (a relation of mutual dependence or action or influence)

Sense 2
correlation coefficient, coefficient of correlation, correlation -- (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?")
       => parametric statistic -- (any statistic computed by procedures that assume the data were drawn from a particular distribution)

Sense 3
correlation, correlational 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)
       => statistics -- (a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters)