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SlideshowReport

Correlations

Description
Graph (a) shows a positive correlation between scores on a psychology test and number of boiled kumquats eaten per month: The higher the score, the higher the number of kumquats. Graph (b) shows a negative correlation between test scores and number of grilled kumquats eaten: The higher the scores, the lower the number of kumquats. Graph (c) shows the reality—a zero correlation between kumquat-eating and test scores.
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