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Tomasz,
Is z=StDev(C,n); equivalent to MSEXCEL STDEV
y=sqrt((n*Sum(C^2,n)-Sum(C,n)^2)/(n*(n-1)));
The AFL graph looks like a
k=(1/n)*sqrt(n*Sum(C^2,n)-Sum(C,n)^2);
Is this k the internal formula for StDev() ?
TIA
Dimitris Tsokakis
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