A Pearson r of .80 means that 80% of the information about Y being contained in X.

Name: A Pearson r of .80 means that 80% of the information about Y being contained in X.
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A Pearson r of .80 does not mean that 80% of the information about Y is contained in X. It means that there is a strong positive correlation between X and Y, but the percentage of information about Y that is explained by X is not directly related to the correlation coefficient.

A Pearson R of