242 
Class 
mid-points 
in 10 cm 
Actual 
6242 
Fitted 
2471 
Actual 
Fitted 
3 
2844 
2211 
1029 
886 
4 
1490 
1340 
585 
553 
5 
825 
812 
341 
345 
6 
420 
492 
182 
216 
7 
274 
298 
132 
135 
8 
151 
180 
66 
84 
9 
96 
109 
59 
53 
10 
62 
66 
36 
33 
11 
32 
40 
20 
20 
12 
26 
24 
12 
13 
13 and 
22 
15 
9 
8 
over 
Total 
6242 
5587 
2471 
2346 
Table 6. 
Number of trees per diameter class for 6242 and 2471 trees 
In table 8 the above frequencies have been re-grouped and compared with 
frequencies fitted according to 30 cm. classes. 
Class 
mid-point 
Actual 
6242 
Fit in 
10 cm 
Fit in 
30 cm 
Actual 
2471 
Fit in 
10 cm 
Fit in 
30 cm 
4 
5159 
4363 
4584 
1955 
1784 
1896 
7 
845 
970 
970 
379 
435 
431 
10 
190 
215 
205 
116 
106 
96 
13 
48 
39 
43 
21 
21 
22 
Total 
6242 
5587 
5802 
2471 
2346 
2447 
Table 8. 
Number of trees in 30 cm classes for 6242 and 2471 trees 
The number of 5653 visible crowns on the aerial photographs is incidentally 
between the fitted numbers of enumerated trees. 
In table 9 relative frequencies are given in the sequence of table 8.