Depth of whirlpool/cm
13	min	13
14	max	19
14	range	6
15	bins	5
15	width	1.2
15
16		Bins	Frequency	Relative Freq
16		14.2	3	0.15
16		15.4	3	0.15
16		16.6	8	0.4
16		17.8	3	0.15
16		19	3	0.15
16			20	1
16
17
17
17
18
18
19