Date: Feb 14, 2013 8:38 PM Author: quasi Subject: Re: 2nd (raw?) moment of uniform PDF Paul wrote:
>The papers states that the second moment of X~U(a,b) is:
> E(X^2) = ( b^3 - a^3 ) / 3(b-a)
>My own integration of x^2 from a to b yields (b^3-a^3)/3.
>Can anyone point out where Hauptmanns's extra normalization
>factor 1/(b-a) comes from?
The probability mass function is 1/(b-a).