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\(\epsilon \)(xi – x)2 where xi = 1, 2, 3, 4, 5

 Sep 24, 2017
 #1
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(xi – x)2 where xi = 1, 2, 3, 4, 5

 

Mmm

Do you mean

 

\(\displaystyle\sum_{\xi=1}^5\;(\xi-5)^2\quad?\)

 

 

\(\displaystyle\sum_{\xi=1}^5\;(\xi-5)^2\\ =(1-5)^2+(2-5)^2+(3-5)^2+(4-5)^2+(5-5)^2\\ =16+9+4+1+0\\ =30\)

 Sep 24, 2017

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