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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 331<br />

✬<br />

ta pokrije modro krivuljo.<br />

✫<br />

. . . Studentova porazdelitev<br />

Za S(1) dobimo Cauchyevo porazdelitev z gostoto<br />

Za n → ∞ pa gre<br />

1<br />

√ n−1 B( n−1<br />

2<br />

p(t) =<br />

Torej ima limitna porazdelitev gostoto<br />

1<br />

π(1 + t 2 )<br />

1 , 2 ) → √ 2π in (1 + t2<br />

n<br />

t2<br />

n−1<br />

)− 2 − → e 2 .<br />

p(t) = 1 t2 − √ e 2<br />

2π<br />

standardizirane normalne porazdelitve.<br />

Če zadnji sliki dodamo<br />

> curve(dnorm(x),col="magenta",add=T)<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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