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Ah, I think I'm with you now. My stats is rusty, but I think what you're asking about is one of the fundamentals of variance. I think this[1] Stats StackExchan
by duggan 10y ago
Ah, I think I'm with you now. My stats is rusty, but I think what you're asking about is one of the fundamentals of variance.
I think this[1] Stats StackExchange answer frames it well.
[1]: http://stats.stackexchange.com/questions/129885/why-does-increasing-the-sample-size-lower-the-variance http://stats.stackexchange.com/questions/129885/why-does-inc...
- SideburnsOfDoom 10y agoThat is helpful, thanks. Especially this part: > I believe that the Law of Large Numbers explains why the variance (standard error) goes down when the sample size increases. https://en.wikipedia.org/wiki/Law_of_large_numbers https://en.wikipedia.org/wiki/Law_of_large_numbers So what I was looking at is the inverse of the law of large numbers.