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Analyse en Interpretatie (Blok B) samenvatting

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Voor dit vak heb ik de hoorcolleges uitgebreid samengevat en daarbij gebruik gemaakt van de voorgeschreven literatuur.

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Analyse en Interpretatie (2)
Jaar 2
Blok B

,Inhoudsopgave
Week 1: Kwantitatieve data-analyse......................................................................................................3
Week 2: Kwantitatieve data-analyse......................................................................................................8
Week 3: SPSS........................................................................................................................................11
Week 4: In de rechtbank.......................................................................................................................12
Week 5: Project- en procesanalyse.......................................................................................................14
Week 6: Veiligheid en economie..........................................................................................................18

, Week 1: Kwantitatieve data-analyse
Lezen: - Wat is onderzoek; hoofdstuk 13 en 14
- Statistiek in stappen; 2.5/2.6 en 7

Leerdoelen: De student wordt in staat geacht om …
- basisvaardigheden in kwantitatieve data-analyse aan te kunnen tonen door
kwantitatieve data te analyseren.

Spreidingsmaten

Variantie is het gemiddelde gekwadrateerde afwijking van het
gemiddelde.

- Het is bruikbaar bij de meetniveaus interval en ratio
- Zegt iets over de afstand van alle waarnemingen t.o.v. het
gemiddelde
- Uitgedrukt in 1 getal (bij betekenis uitkomst goed kijken
naar schaal)
- Formule populatievariantie:




Populatie versus steekproef

- Bij experimenten of metingen in de praktijk gebruik je meestal een steekproef en niet de hele
populatie
- Maar je weet nooit zeker hoe representatief je steekproefomvang is
- We delen door N of (n-1) voor steekproef bij variantie




Variantie vursus standaarddeviatie

- Gemiddelde kwadratische afwijking van het gemiddelde is lastig te interpreteren
- Terug vertalen naar bruikbare maat door wortel te trekken
- Standaarddeviatie= σ = √ (σ2)

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Uploaded on
June 18, 2021
Number of pages
21
Written in
2020/2021
Type
SUMMARY

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