Data Visualization

Simpson's Paradox Flip

Two subgroup trend lines rise while the combined trend flips downward, revealing Simpson's paradox in one frame.

Use cases

  • Explain why subgroup trends can reverse in aggregate
  • Warn against reading a headline number without segmentation
  • Teach confounding, base rates, or statistical paradoxes

Tags

simpsons paradoxstatisticsdata visualizationtrendtrend linesubgroupsaggregateconfoundingparadoxbiasanalyticsresearchnumber planecomparisoncausal inferenceeducationchart

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