— 182 



Thus for the accuracy of the equation H=Ae 



is shown as follows: 



II. Equation for Number of Trees per Gho. 

 Form of density; Thin. 



I. Quality. 



8.1058 



/or7N= 2.6486+^ 



i.e. N= 445.2^ 



t 

 18.6644 



' i 



m=±15.2% 



r =±10.1% 



Difr.>r 2 in number 

 Diff.<7' 1 in number 



II. Quality. 



11.4655 



fo5N = 2,7462 + - 



+ 



26.4005 



i.e. N=557.5e 



Age. Obs. Cal. 



Diff 

 %. 



Diff.>r 3 in number 

 Diff.<r 3 in number 



III. Quality. 



13.7042 



?05r N = 2.8246+- 



+ 

 z.e. N-667.7e 



31.5553 



Age. j Obs. i Cal. ^}^ 



23 2500 2633 - 5.3 



28 [ 2144 2061 ; + 3.9 



90 , 968 948 + 2.1 



100 i 899! 915! - 1.8 



m = ±5.1% 



r =±3.4% 



Diff.>c 2 in number 

 Diff.<r 2 iu number 



