Now this is interesting... Let me ask you, if you were shown a large number of bomber planes that had returned damaged (by bullets) from their mission, how would you design armour for those planes? Which parts of the planes (with reference to the bulletholes) would you place the armour?
This is what statistician Abraham Wald chose to do: add armour to the places where there was no damage. I wouldn't have thought of that...but after reading the explanation I'm convinced. How about you? Would you do the same as he did? Or do you need convincing as well?
Thursday, September 15, 2011
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