51 1.0 



1 1 1 1 1 r- 



-I 1 r- 



-2.0 -1.5 



-1.0 -0.5 0.5 1.0 



Antecedent Symnnetncolly Normed Residuols (dimensionless ) 



Figure 31. Scatter diagram: Sequential pairs of symmetrically 

 normed residuals, data number 6882. 



44 



