142 



will hâve no influence on the différences z . We thus hâve 



(c) 



2. = A - 



0.544' 



736.5 

 738.5 

 740.5 

 742.5 

 744.5 

 746.5 

 748.5 

 750.5 

 752.5 

 754.5 

 756.5 

 758.5 

 760.5 

 762.5 

 764.5 

 766.5 

 768.5 

 770.5 

 772.5 

 774.5 

 776.5 

 778.5 

 780.5 



Totals 



1.0000 



1.0000 



