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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 129<br />

✬<br />

✫<br />

. . . Pogojna verjetnost<br />

Primer: Denimo, da je v nekem naselju 900 polnoletnih prebivalcev.<br />

Zanima nas struktura prebivalcev po spolu ( M – moˇski, ˇZ – ˇzenski spol)<br />

in po zaposlenosti (Z – zaposlen(a), N – nezaposlen(a)). Podatke po obeh<br />

spremenljivkah uredimo v dvorazseˇzno frekvenčno porazdelitev, ki jo<br />

imenujemo tudi kontingenčna tabela:<br />

spol \ zap. Z N<br />

M 460 40 500<br />

ˇZ 240 160 400<br />

700 200 900<br />

Univerza v Ljubljani ▲<br />

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