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Topic:
2nd (raw?) moment of uniform PDF
Replies:
2
Last Post:
Feb 15, 2013 6:26 PM
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quasi
Posts:
12,067
Registered:
7/15/05
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Re: 2nd (raw?) moment of uniform PDF
Posted:
Feb 14, 2013 8:38 PM
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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).
quasi
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