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BBC - The Code - The Wisdom of the Crowd

timb6 · explainer · Watch on YouTube

Probability & game theoryRecreational & visual math

What it is

Marcus du Sautoy of the BBC demonstrates the wisdom of the crowd, showing that averaging many guesses of jelly beans in a jar lands near the true count.

Why Hacker News recommends it

Used as a quick, convincing demonstration of crowd estimation when discussing aggregated judgment.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2013, last 2016

What HN commenters said

  1. “start at 2:00 if TLDW”

    Averaging 160 jelly bean guesses lands near actual count.

    botterworkshop, 2016-04 · Recommendation · in “Ask HN: Pick startups for YC to fund”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: crowd wisdom, estimation, jelly beans, marcus du sautoy, statistics

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