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aantekeningen statistiek 2 colleges

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aantekeningen van alle statistiek hoorcolleges met herhaling van statistiek 1 tussendoor

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Uploaded on
August 21, 2023
Number of pages
26
Written in
2023/2024
Type
Class notes
Professor(s)
Harald
Contains
All classes

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s i
s
i
t t
t
a K




rosalie


BFW
2
2022

, hoorcollege i unor




online boek H y 4 12 oB BS t z Pats =
extra studie materiaal




-g
It 8 opar in groepen wel open vragen




,ooK
SJ.,
recab


twaarde Er zit spreiding in data

Fwaarde


nuil hypothese hypothese die effect
-
ontkent


Werschillen Er is een verschis nulby Pothese
verwerpen




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Ho Ho

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Bd




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Bd


o
S Bdl verschillen maar elke x anders
s
to
-




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als
als dan o
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is




s alle waardes B fitten talled filten gemiddelde

herhalen ßd
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i
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ßdl gemiddelden
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Î i

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weer
is er verschil BdB B
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flustuaties worden minder bijmeer waarnemningen welke dimentie
?
n afdatamodel + E
SD Ar omzeruitte
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stvariantie Ba PU he
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, hoorcollege i u nov

individuele waarnemingen hebben spreiding

Bdi



-B2
VARgem =

alle spreidingen zijn anders

n1 neem gemiadelde




-
ook spreiding
I


sdgem VARgan = SE spreicing verwacht in semm
:
r




Grote SE rees afwijkende gem in steekproef
=
SE uit rekenen uit data schatting spreiding gemiddelde
SP
=
,-
Bdp BdB = t noever kggen sem uit
o
-




elkaar
=
t SE relatiet aande betrouwbaar
, xanders
=
ookelke
ì
heid vanschatting



De totale kans van curve = 1




an
wrijktte
[




r
vees af
"'
pataltialois
a = 0, 005



I verwerpen

i
ur
Geldt
-
"
ook voor F waarde

waarvis je kijkt naare VAr




M
F =
Var Beh

varrest


Er zit spreiding in data
kans neemnt af
we herhalen meting nemen gem

orbetrouwbaarheid

test statistiek

pwaarde
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