Statistika (za biologe, 2.dio) - Pmf
Statistika (za biologe, 2.dio) - Pmf
Statistika (za biologe, 2.dio) - Pmf
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Ako je g : R → R neprekidna funkcija tada vrijedi<br />
Tako da je varijanca od X<br />
E[g(X)] =<br />
� ∞<br />
−∞<br />
varX = E[(X − EX) 2 ] =<br />
g(t)fX(t)dt.<br />
� ∞<br />
−∞<br />
(t − EX) 2 fX(t)dt.