EXPOSURE STATIONS 
X 
= 
ALL TEST CASES 
  
  
  
  
  
  
  
  
  
  
  
Estimated Standard Deviations 
yr of Unit Wt. for Adjustment 
Partici- ; 
pant 1A 2A 1B 2B LC 2C 
8 1.05 1.67 1.05 1.55 1,05 1.72 
9 1.03 0.92 1.00 -— 0.96 - 
10 1.05 1.67 1.05 1.65 1.05 1.74 
TABLE 7 
ESTIMATED STANDARD DEVIATIONS 
OF UNIT WT. FOR SIMULTANEOUS ADJUSTMENTS 
  
  
  
  
  
Note: assuming plate coordinates are equally weighted inversely 
proportional to the estimated variances, then the 
estimated unit variance 95 for the ideal case would be 
unity. 
Test n^ /o* Tabular 
C f f 
ase| f, ) 8 9 10 Fe JE. Clan Remarks 
1272 
lA 528 oo 1.11 1.06 1.10 1.1 
Br. .572 15% ala. 104 1.004 4.10 1.1 No Sigalficane 
. ‘ Difference 
207 [166078 [1.11.0 .0,827 1.10 1.1 i) 
241. 52815 0 [2,8117 0,85 2.78 1.1 3 
294 .572110* 12.731. .-— T 2.72 Hes Significant 
Difference 
2c 660 eo 2.95 -— 3.03 1.1 y 
  
  
  
  
  
  
  
  
  
  
  
  
TABLE 8 
VARIANCE RATIOS 
SIMULTANEOUS ADJUSTMENTS