Dear, People of the interwebs using the auction tracker auction.goonquest.com

[jetviper21]

Originally Posted by Tork [You must be logged in to view images. Log in or Register.]

Mean = Expected Value = μ
Std Dev = Sqrt(Average((X - μ)^2)) = σ,
so it's the square root of the average of the quantity squared of each data point less the mean

(But I'd be surprised if your programming language of choice didn't have something already premade)

Sweet thanks, ill get this added

This is pretty much how i did math in college
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