44 
Histogram and normal distribution curve of 
the residuals after adjustment in nine points 
Autograph A7-310 
Left projector, base: zero 
Operator 1 
Number September 1963 
of residuals 
Histogram and normal distribution curve of 
the residuals after adjustment in seven points 
Autograph A7-310 
Lett projector, base: in 
Operator 2 
Septemb e r 1963 
Number ot retiduals 
Fig. 2.2:3. Normal distribution hypothesis is accepted. 
1. 9 cchi = 9. 5. 
O