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A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 637<br />

✬<br />

Postavimo najprej ničelno in osnovno domnevo:<br />

H0: β = 0,<br />

H1: β = 0.<br />

Gre za dvostranski test. Zato je ob 5% stopnji značilnosti kritično območje<br />

določeno s kritičnimia vrednostima:<br />

✫<br />

±t α/2(n − 2) = ±t0,025(6) = ±2, 447.<br />

Eksperimentalna vrednost statistike pa je:<br />

<br />

104 · (8 − 2)<br />

te =<br />

26 · (1 − 0, 922 · (0, 46 − 0) = 5, 8.<br />

)<br />

Regre<strong>si</strong>jski koeficient je statistično značilno različen od 0.<br />

Univerza v Ljubljani ▲<br />

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