I don't think you understand correlation. For crime and milkdrinking to correlate, criminals would need to drink more (or less) milk than non-criminals. A bette

I don't think you understand correlation. For crime and milkdrinking to correlate, criminals would need to drink more (or less) milk than non-criminals. A better example would be: umbrella-carrying and windshield-wiping tend to correlate, but they are both actually caused by a hidden factor: rain.