Kronor 
} Expected Costs of the Risks of Decision Errors, when 
the Test is made on a certain Level of Significance. 
1200 
1100 
1000 
n 
The Weighted Expected Value of the f-Error. 
n " " " " " [o "C. 
900 
The Sum of those two Values. 
800 
e * 
1 600 
500 
400 
300 
  
  
  
  
z = ee d 
The Level of Significance , that is: & 7e. 
Fig. 10. Cost of Errors due to choice of €x. 
TILITY iti Jai: S (ym)- The Expected Value of the Standard 
uU Hr CA UE 4 Error of the Instrument, Calculated 
with a certain number of degrees 
of freedom. 
For example Linear 
Cardinal Scale.) 
    
    
    
    
Rejection Region 
Sample Region 
  
  
  
  
> 4 
MONEY 
(Kronor. 
tor 3 R jo 
Scale. ^€ 2 r 
( Level of ea Acceptance ego 
i Aspiration.) 24 
1 
0$ 20 30 40 so 0 à 0 % o 1ù 
Number of Degrees of Freedom 
Fig. 11. Utility Function. Fig.12. Sequential PU EA 
(Principal Outlook.) (Principal Outlook. 
155