190 — 



Form of density: Dense. 



I. QUALIIY 



, ,, ^.„„, 16.8786 

 logYs =3.7384- ^ 



38.8647 



j.e.Vs =5475e 



t 



r =±6.\% 

 Diff. >r 9 in number 

 Difr.<r 13 in number 



II. Quality 



21.5269 



logY, =3.6982 ^ 



49.5678 



j.e.V»=4.991e 



m = ±9.3% 

 r =±6.2% 



Diff.>r 3 in number 

 Diff.<r 3 in number 



III. Quality 



25.0942 



logV, =3.6584-- ^ 



57.7819 



i. e.Ys = 4554e 



m=±9.6% 



r =±6.4% 

 Diff.>r 2 in number 

 Diff.<r 2 in number 



