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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 535<br />

✬<br />

Populacijski deleˇz π ocenimo z obteˇzenim povprečjem vzorčnih deleˇzev p1<br />

in p2<br />

✫<br />

p = n1p1 + n2p2<br />

n1 + n2<br />

Vrnimo se na primer. Vzorčna deleˇza sta:<br />

= k1 + k2<br />

.<br />

n1 + n2<br />

p1 = 90<br />

300 = 0, 30, p2 = 50<br />

200<br />

= 0, 25.<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

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● ❙ ▲<br />

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☛ ✖<br />

▲<br />

✩<br />

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