R=Raunveruleiki, T=Mæld flokkun , U=Undirmenn, Y=Yfirmenn
 

Konur (yfirmenn 5%)

Eiginleikar flokkunar                          Y-laun     U-laun      Hlutfall
_______________________________________________________________________________
P(T=Y|R=Y)= 0,7              Sannleikur         2         1             2
P(T=U|R=U)= 0,95
P(R=Y)= 0,05                  Mæling         1,4242     1,0163     1,4013
_______________________________________________________________________________

P(R=Y|T=Y)= 0,4242    Fæst með reglu Bayes
P(R=U|T=Y)= 0,5758

P(R=U|T=U)= 0,9837        Mælt hlutfall Y= 0,0825
P(R=Y|T=U)= 0,0163        Mælt hlutfall U= 0,9175

Tafla 2.  Áhrif flokkunarvillu á mæld meðallaun (Karlar)
 

R=Raunveruleiki, T=Mæld flokkun, U=Undirmenn, Y=Yfirmenn

(Karlar, yfirmenn 30%)

Eiginleikar flokkunar                                                       Y-laun U-laun      Hlutfall
_____________________________________________________________________
P(T=Y|R=Y)= 0,7                                  Sannleikur             2             1                     2
P(T=U|R=U)= 0,95
P(R=Y)= 0,3                                            Mæling         1,8571     1,1192         1,6593
_______________________________________________________________________

P(R=Y|T=Y)= 0,8571    Fæst með reglu Bayes
P(R=U|T=Y)= 0,1429

P(R=U|T=U)= 0,8808        Mælt hlutfall Y= 0,2450
P(R=Y|T=U)= 0,1192        Mælt hlutfall U= 0,7550