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by chris_wot 1372 days ago
Isn't this a case of survivorship bias, like when they took a statistical view of all the areas where WWII airplanes got hit by bullets and they wanted to increase the armour, but a statistician told them to armour the parts where no bullets had hit... because they only surveyed planes that came back whole and the ones that didn't come back had likely been hit in parts of the plane they didn't add to the survey.
1 comments

Yep, the canonical Wikipedia example that aaronbrethorst mentioned above.

(https://en.wikipedia.org/wiki/Survivorship_bias)