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Correlation

Correlation. Unit 2 - Chapter 2 – Statistics. Correlation. Correlation ( correlation coefficient ) How well does A predict B Positive versus negative correlation Strength of the correlation -1.0 to +1.0 Scatterplot. Correlation. Correlation. Correlation. Correlation. Correlation.

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Correlation

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  1. Correlation Unit 2 - Chapter 2 – Statistics

  2. Correlation • Correlation (correlation coefficient) • How well does A predict B • Positive versus negative correlation • Strength of the correlation • -1.0 to +1.0 • Scatterplot

  3. Correlation

  4. Correlation

  5. Correlation

  6. Correlation

  7. Correlation

  8. Correlation

  9. Correlation

  10. Correlation

  11. Correlation

  12. CorrelationCorrelation and Causation • Correlation helps predict • Does not imply cause and effect

  13. CorrelationIllusory Correlations • Illusory Correlation • Perceived non-existent correlation • A random coincidence

  14. CorrelationPerceiving Order in Random Events • Comes from our need to make sense out of the world • Coin flip • Poker hand

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