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Topic:
Squares intead Module in standard deviation
Replies:
3
Last Post:
Oct 14, 2013 6:54 PM




Squares intead Module in standard deviation
Posted:
Oct 12, 2013 12:56 AM


Why in the formula of standard deviation uses squares instead of simply putting differences within module?
Example: standard deviation² = Sum[(yym)²]/(n1)
Is not it better this? standard deviation = Sum[yym]/(n1)



