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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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June 5, 2021
Number of pages
22
Written in
2020/2021
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Enkelvoudige lineaire regressie




Regressiecoëfficiënt 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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