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We use Pearson's correlation coefficient as a measure of association between 2 continuous variables. Give some examples of where two concepts (variables) are correlated, but

We use Pearson's correlation coefficient as a measure of association between 2 continuous variables. Give some examples of where two concepts (variables) are correlated, but this does not imply a causal relationship between the two. Can there be a causal relationship between two items but no correlation?

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