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Math Help - Standard deviation question

  1. #16
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    Re: Standard deviation question

    You can enter it as it is written and the calculator will deal with doing things in the right order for you.

    If you're interested in how to do this sort of calculation in general then you could read this

    Basic Maths: Basic Operations - Precedence of Operations
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  2. #17
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    Re: Standard deviation question

    Got it Many thanks for your help and patience.
    Last edited by mickyc1; August 11th 2012 at 02:01 PM.
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  3. #18
    MHF Contributor ebaines's Avatar
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    Re: Standard deviation question

    Using the formulas I provided earlier in post #5 I get \mu_2 = 4.36 and std deviation of  \sigma = 0.349, in agreement with a tutor.
    Thanks from a tutor
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  4. #19
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    Re: Standard deviation question

    Quote Originally Posted by ebaines View Post
    Using the formulas I provided earlier in post #5 I get \mu_2 = 4.36 and std deviation of  \sigma = 0.349, in agreement with a tutor.
    Sorry, I was obviously struggling to use my calculator when I thought you made a mistake.
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