Statistics

Year 1

Year 3

Year 5

Year 7

Diameter at breast height (cm)

Mean

5.09

8.15

10.29

12.79

Standard error

0.09

0.16

0.24

0.26

Standard deviation

1.36

2.29

3.37

3.59

Minimum diameter

1.59

1.27

2.55

3.66

Maximum diameter

8.44

13.05

17.19

21.49

Total height (m)

Mean

5.77

10.50

14.09

16.95

Standard error

0.09

0.19

0.22

0.24

Standard deviation

1.42

2.68

3.06

3.40

Minimum diameter

2.80

2.40

4.10

5.60

Maximum diameter

9.10

15.20

23.00

23.80