Table 5.

Average values of natural frequencies at all investigated heights and the representative natural frequency f for all the studied cocowood discs.

Stem height (m)	f (mm/mm)	CoV	Total number of discs
0.2	1.49	0.208	34
3.2	1.41	0.202	28
6.2	1.53	0.159	38
9.4	1.46	0.250	26
12.4	1.53	0.175	40
15.8	1.40	0.185	29
18.8	1.41	0.263	37
22.0	1.42	0.229	15
25.0	1.29	0.267	17
Average (weighed)	1.45	0.215	264

Bold result corresponding to the representative natural frequency of the whole coconut palm stem-tissue.