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glimcat
on July 26, 2011
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Why aren't the oldest living people getting any ol...
Because when you mix a lot of random variables together, the variance tends to decrease.
lkozma
on July 26, 2011
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Exactly, and the variance of the maximum will decrease even faster than the variance of the mean.
sebkomianos
on July 26, 2011
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This is very interesting, can you point me/us to any explanations about it?
shabble
on July 26, 2011
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I'd guess at the
http://en.wikipedia.org/wiki/Central_limit_theorem
- Combined distributions tend towards Gaussian (bell-curve)
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