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Thread: what does this symbol mean??

  1. 10-27-2008 09:08 PM #1
    jlg5308
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    what does this symbol mean??



    What does the symbol of a circle with a little hook in the top right cornner. Note it is squared in my equation.
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  2. 10-27-2008 09:14 PM #2
    jlg5308
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    i thought it was variance. but i am confused
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  3. 10-27-2008 09:54 PM #3
    Martingale
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    Quote Originally Posted by jlg5308 View Post
    i thought it was variance. but i am confused
    Sounds like sigma to me..

    sigma^2 is used to represent the population variance
    Dr. Zoidberg: Fry, it's been years since medical school, so remind me. Disemboweling in your species, fatal or non-fatal?
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