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src: wikipedia
- Definition
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- 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?
- correlation :a reciprocal relation between two or more things
- correlation :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