GCSE Maths (Edexcel)

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Causation

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Statistics Statistics

Causation

5:39 Bivariate Data & Scatter Diagrams
Spec S5 S6
Previous Bivariate Data Next Quartiles
  • Causation is when changing one variable affects another variable
  • Bi-variate data is created by measuring two things from each item in a sample
  • Scatterplots can show if there is a correlation between two variables
  • Correlation does not imply causation
  • Correlation can provide evidence to back up a theory
  • No correlation suggests no causation between two variables
  • Common causes can create a correlation between two events
  • Correlation can be found by coincidence
  • Larger samples reduce the chance of finding a correlation by coincidence
  • Extra data does not help identify a potential common cause behind a correlation

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