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Certainty Quote by Arthur Conan Doyle

“While the individual man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty. You can, for example, never foretell what any one man will do, but you can say with precision what an average number will be up to. Individuals vary, but the percentages remain constant” quote by Arthur Conan Doyle
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““While the individual man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty. You can, for example, never foretell what any one man will do, but you can say with precision what an average number will be up to. Individuals vary, but the percentages remain constant””

Arthur Conan Doyle

About This Quote

Source Essay: The Nature of Statistics, 1910

Individual behavior is unpredictable, yet collective patterns become statistically reliable, showing that groups follow mathematical laws despite personal variability.

In simple terms: People are unpredictable, groups follow patterns.

Key Takeaway

Use statistics to understand populations.

Themes

statistics probability human behavior collective patterns

Mood

analytical thoughtful

Type

informative philosophical

When to use this quote

  • policy making
  • market research
  • public health

Key Concepts

law of large numbers predictive modeling aggregate analysis

Questions to Reflect On

  • How reliable are averages for decisions?
  • When do outliers matter?
A Different Perspective

Statistical models can oversimplify human nuance.

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