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urejanje
m (robot Dodajanje: scn:Varianza) |
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Varianco definira formula:
<math>\sigma^2 = \frac{ \sum_{i=1}^N (x_i - \overline{x})^2}{N}</math>
Standardni odklon definira formula:
<math>\sigma = \sqrt { \frac{ \sum_{i=1}^N (x_i - \overline{x})^2}{N}} </math>
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urejanje