Summary
Samenvatting Statistiek III - Formules en Interpretaties
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Alle formules en interpretaties van SPSS output van het vak Statistiek 3
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Enkelvoudige lineaire regressieRegressiecoëfficiënt en intercept uitrekenen door middel van de kleinstekwadratenmethode:
Statistische inferentie van de regressielijn:
Hoe kleiner de standaardfout van de residuen, hoe beter het model een voorspeller is van y.
1
, Multipele lineaire regressie: 2 IV’s
Kleinstekwadratenmethode om de regressielijn te schatten:
In SPSS:
Verschillende manieren om R² uit te rekenen:
Wanneer je de drie correlaties tussen de x-variabelen en y, en gestandaardiseerde
regressiecoëfficiënten hebt
2
, Wanneer je de ANOVA-tabel hebt
In SPSS:
Partiële correlatiecoëfficiënten:
Gekwadrateerde partiële correlatiecoëfficiënten:
Semi-partiële correlatiecoëfficiënten:
Gekwadrateerde semi-partiële correlatiecoëfficiënten:
3
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