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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 631<br />

✬<br />

Ko smo računali koeficient korelacije smo ˇze izračunali aritmetični sredini<br />

✫<br />

µX = 64<br />

8 = 8, µY = 24<br />

8<br />

= 3,<br />

vsoti kvadratov odklonov od aritmetične sredine za obe spremenljivki<br />

n<br />

(xi − µX) 2 = 104,<br />

i=1<br />

n<br />

(yi − µY ) 2 = 26<br />

i=1<br />

in vsoto produktov odklonov od obeh aritmetičnih sredin<br />

n<br />

(xi − µX)(yi − µY ) = 48.<br />

i=1<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

▲<br />

✩<br />

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