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Slika - Shrani.si

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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 634<br />

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Statistično sklepanje o regre<strong>si</strong>jskem koeficientu<br />

Vpeljmo naslednje oznake:<br />

Y = α + βX regre<strong>si</strong>jska premica na populaciji,<br />

Y = a + bX regre<strong>si</strong>jska premica na vzorcu.<br />

Denimo, da ˇzelimo preveriti domnevo o regre<strong>si</strong>jskem koeficientu β.<br />

Postavimo ničelno in osnovno domnevo takole:<br />

H0: β = β0,<br />

H1: β = β0.<br />

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