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ID number:464824
 
Author:
Evaluation:
Published: 17.01.2008.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

1.Hipotēze par divu normāli sadalītu ģenerālo kopu dispersiju vienādību
Ir divas izlases
N1 ; k1=n1-1
δ kv
s^2 katrā izlasē
H0: c
Izmanto Fišera sadalījumu
Fnov = s12/s22 kur lielāko dala ar mazāko
1)H1: δ2nav δ02 Fkr(k1,k2, /2)
Ja Fnov 2)H1: δ2> δ02 Fkr(k1,k2, )
Ja Fnov
2.Dispersiju analīzes pieņēmumi un būtība
Hipotēžu pārbaudes principi:
1)Hipotēze par ģenerālkopas sadalījuma veidu
2)Hipotēze, kas pārbauda pamatrādītājus – x vidējo, dispersijas
Formulē Ho un H1
Izvēlas ticamības līmeni  (pirmā veida kļūda  => pareizu hipotēzi noraida; otrā veida kļūda β => nepareizu H0­ pieņem. …

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