Correlation meaning

noun

1. a reciprocal relation between two or more things

   Synonymscorrelativity

2. 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?”

   Synonymscorrelation coefficientcoefficient of correlation

3. 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

   Synonymscorrelational statistics