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The esteemed Dr. Bookworm has just completed a study in which he found a +1.0 correlation between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation means that:

A. the less coffee the students drank, the higher they scored on the exam.

B. the more coffee the students drank, the lower they scored on the exam.

C. the more coffee the students drank, the higher they scored on the exam.

D. there was absolutely no correlational relationship between coffee consumption and exam scores

My conclusion was D.

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