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“An observed relationship between variables. If variable Y increases when X increases, it represents a positive correlation. Correlation between two variables is measured with the simple correlation coefficient. Regression techniques are used to measure correlation across several variables. Correlation is a statistical observation, it does not imply that causation exists. However, it can sometimes be used to test the validity of a theoretical model that explains causation.”

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By |February 1st, 2019|Comments Off on correlation