Kategorie:Standardabweichung

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Standardabweichung[edit]
seien x_i - \bar{x} die Abweichung vom Mittelwert so sei die Standardabweichung s \!\, definiert als:
s = \sqrt{ \frac{1}{n-1} \sum_{i=1}^n (x_i - \bar{x})^2 }

R code: sd(x)

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