correlation coefficient

Noun

1.

correlation coefficient - 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?" Synonyms: coefficient of correlation, correlation

biserial correlation, biserial correlation coefficient, chance-half correlation, coefficient of correlation, correlation, multiple correlation coefficient, parametric statistic, Pearson product-moment correlation coefficient, product-moment correlation coefficient, split-half correlation, statistics, tetrachoric correlation, tetrachoric correlation coefficient