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beknopte samenvatting statistiek, TBK, Cijfer 7,6 $3.21
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beknopte samenvatting statistiek, TBK, Cijfer 7,6

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beknopte samenvatting van het vak statistiek wat veel overzicht geeft. vak: Statistiek, technisch bedrijfskunde Hogeschool Utrecht alle lessen gevolgd cijfer 7.6 zie ook mijn uitgebreide samenvatting

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  • December 14, 2021
  • 6
  • 2021/2022
  • Summary
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Meetniveaus
Kwalitatief = geen getallen (man, vrouw)

Nominaal = volgorde is niet belangrijk (geslacht)
Ordiaal = volgorde is belangrijk (mening)


Kwantitatief = getallen

Interval= zonder nulpunt (temperatuur)
Ratio= is met een nulpunt (leeftijd)


Discreet = gehele getallen (autos)
Continu = waarde kan door gaan achter de komma (lengte )

Cumulatief = optellend

Interpoleren = schatten van het gemiddelde doormiddel van 2 waarden (afronden op 1 decimaal)



P = kans
= gemiddelde
x = waarneming
n = alle waarnemingen
= herhaal voor alle waarnemingen
! = faculteit
k = aantal successen / aantal gebeurtenissen
E = verwachtingswaarde
σ = standaardafwijking (standaarddeviatie)

t = tijd speelt een rol
Λ= gemiddeld aantal gebeurtenissen (labda)
μ = Λ*t (verwachtingswaarde)



Afronden
kans = 4 decimalen
percentage = 2 decimalen

, Grafieken




Staafdiagram = horizontaal
Kolomdiagram = verticaal




Histogram = klassenmidden gebruiken
Ferquentiepolygoon = klassenmidden gebruiken
Cumulatief ferquentiepolygoon = hoogste waarde gebruiken

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