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Opdrachten wanneer lineaire regressieberekening
(A+BX) is geselecteerd
Bij lineaire regressie wordt de regressie uitgevoerd in
overeenstemming met de volgende modelvergelijking.
y
=
A
+
BX
Hieronder volgen de opdrachten die verschijnen op de sub-menu’s
die verschijnen wanneer u 4(Sum), 5(Var), 6(MinMax) of
7(Reg) selecteert op het STAT menu terwijl lineaire regressie
geselecteerd is als het statistische berekeningstype.
Zie Aanhangsel <#046> voor informatie aangaande de bereke-
ningsformule die gebruikt wordt voor elke opdracht.
Sum sub-menu (11(STAT)4(Sum))
Selecteer dit
Wanneer u dit wilt bewerkstelligen:
menu item:
1Σx
2
Som van de kwadraten van de X-data
2Σx Som van de X-data
3Σy
2
Som van de kwadraten van de Y-data
4Σy Som van de Y-data
5Σxy Som van de producten van de X-data en de Y-data
6Σx
3
Som van de derde macht van de X-data
7Σx
2
y Som van (de X-data gekwadrateerd × de Y-data)
8Σx
4
Som van de vierde macht van de X-data
Var sub-menu (11(STAT)5(Var))
Selecteer dit
Wanneer u dit wilt bewerkstelligen:
menu item:
1n Aantal steekproeven
2o Gemiddelde van de X-data
3xσn Standaarddeviatie van de X-data
4xσn–1 Standaarddeviatie van steekproeven van de X-data
5p Gemiddelde van de Y-data
6yσn Standaarddeviatie van de Y-data
7yσn–1 Standaarddeviatie van steekproeven van de Y-data
44


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