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Math Help - is this summation correct?

  1. #1
    Senior Member
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    is this summation correct?

    \Sigma (x_i+y_i) is equal to

    \Sigma(x_i) + \Sigma(y_i) is equal to

    Xbar times n plus Ybar times n which is equal to

    n(Xbar+Ybar)

    where 'Xbar' and 'Ybar' are the sample average
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  2. #2
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    Re: is this summation correct?

    Hi!

    Yes, that's correct.
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