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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 362<br />

✬<br />

Potem se vzorčne aritmetične sredine nahajajo v intervalu<br />

<br />

<br />

σ<br />

σ<br />

P µ − z1 √ < X < µ + z1 √ = 0, 90<br />

n n<br />

oziroma konkretno<br />

<br />

<br />

P 100 − 1, 65 < X < 100 + 1, 65 = 0, 90<br />

90% vseh slučajnih vzorcev velikosti 225 enot bo imelo povprečja za<br />

inteligenčni kvocient na intervalu<br />

✫<br />

(98, 35 ; 101, 65).<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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