One should never "standardize" the data.
Anyone who lets statistical methods do the thinking neither thinks nor is correctly using statistics.
One should never calculate the "variance"
Anyone who lets statistical methods do the thinking neither thinks nor is correctly using statistics.
I think saying "never" is "always" a bad thing.
---------------------------------------------------------- Dennis Roberts Email: [EMAIL PROTECTED] Web: http://roberts.ed.psu.edu/users/droberts/drober~1.htm
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