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Samenvatting Analyse en Interpretatie Blok B IVK jaar 2

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Samenvatting van het vak Analyse en Interpretatie Blok B, gegeven op de Hogeschool Utrecht.

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January 22, 2022
Number of pages
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Written in
2021/2022
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SAMENVATTING
ANALYSE EN
INTERPRETATIE
Integrale Veiligheidskunde Blok B

Inhoud
Samenvatting van het vak Analyse en Interpretatie. Opleiding: Integrale Veiligheidskunde
gegeven op de Hogeschool Utrecht. In dit document is gebruik gemaakt van het boek ‘Logisch en
kritisch denken’, ‘Statistiek in stappen’, van de Canvas pagina en van eventuele bronnen/websites
te vinden op internet.




Nilasha Sloeserwij
Hogeschool Utrecht jaar 2 2021-2022

,Inhoudsopgave
Week B1........................................................................................................ 3
Spreidingsmaten............................................................................................................. 3
Variantie.......................................................................................................................... 3
Standaarddeviatie/Standaardafwijking............................................................................3
Normaalverdeling............................................................................................................ 5
Betrouwbaarheidsinterval............................................................................................... 5
Verbanden....................................................................................................................... 6
Correlatiecoëfficiënt........................................................................................................ 8

Week B2........................................................................................................ 9
Chi-Kwadraat................................................................................................................... 9
Vrijheidsgraden............................................................................................................... 9
Significantie (p).............................................................................................................. 10
Steekproef..................................................................................................................... 10

Week B3..................................................................................................... 11

Week B4...................................................................................................... 12
The Prosecutor’s Fallacy:...............................................................................................12
A: Zaak Lucia de B......................................................................................................... 12
Rekenen in rechtszaken............................................................................................. 14
De moeizame verhouding tussen recht en wetenschap..............................................14
Zekere getuige is niet altijd betrouwbaar...................................................................14
B: Kwalitatieve data-analyse......................................................................................... 15
‘Thick analysis’: strategie om de kwaliteit van kwalitatieve data-analyse te verhogen
................................................................................................................................... 15
Stappenplan kwalitatief onderzoek: coderen..............................................................17
Coderen......................................................................................................................... 19

Week B5...................................................................................................... 20
Projectanalyse............................................................................................................... 20
Procesanalyse............................................................................................................... 21
Waar op letten bij het maken van een flowchart?.......................................................22
Doelstellingen procesanalyse.....................................................................................22
Processen verbeteren.................................................................................................... 23

Week B6...................................................................................................... 24
Financiële overzichten................................................................................................... 24
Planning en control........................................................................................................ 26
Productie en kosten....................................................................................................... 26

1

,Bijlagen....................................................................................................... 29




2

, WEEK B1

Leeswerk  H2.5 + H2.6 + H7 van ‘Statistiek in stappen’ (Verhoeven 2019) + bijlage
p.294

SPREIDINGSMATEN
Boxplot= visuele manier om de spreiding
van data in een dataset in kaart te brengen




VARIANTIE

Variantie= gemiddelde gekwadrateerde afwijking van het gemiddelde

 Bruikbaar bij meetniveau ’s interval en ratio
 Zegt iets over de afstand van alle
waarnemingen t.o.v. het gemiddelde
 Uitgedrukt in 1 getal
 Uitkomst van variantie is altijd gegeven in
kwadraat
 Uitschieters zorgen voor een grote
verandering in de variantie
 Formule populatievariantie:
1
σ 2=
N
∑ ( x i−μ )2
Stap 1: μ berekenen
Stap 2: som (waarneming X – gemiddelde)
Stap 3: elke uitkomst kwadrateren STAP

Stap 4: gemiddelde van de uitkomst 2



(optellen waarnemingen/omvang)
Stap 5: wortel uit de uitkomst trekken STAP
1
STAP


μ = populatiegemiddelde
3




N = omvang STAP
4



1
 Formule steekproefvariantie: s2=
n−1
∑ ( x i−x )2
 Steekproef  meestal gebruikt bij experimenten of metingen in de praktijk
1
 Door te doen vindt er een correctie plaats in een situatie waarin de
steekproef −1
steekproef heel klein zou zijn
 √
Variantie zelf is niet te gebruiken  Standaarddeviatie (σ ) wel  σ = σ 2

STANDAARDDEVIATIE/STANDAARDAFWIJKING


3
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