2min chapter

Hidden Brain cover image

Our Noisy Minds

Hidden Brain

CHAPTER

Taking Multiple Judgments, You Eliminate Noise

The average, i think, was within two pounds of the correct weight. When you take four independred judges, you are reducing noise by one half. When you take a hundred, you are reducing it by ninety per cent. So there is some mathematics of noise that lends itself to analysis that doesn't apply to bias....

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