Table 2.

Average, standard deviation, and maximum and minimum of the CV values in a range from 504 to 6400 Hz for each group.

Group	Average	Standard Deviation	Minimum	Maximum
L1–C1	2.08	2.01	0.24	8.48
L1–C4	1.28	1.08	0.10	4.63
L2–C1	1.80	1.49	0.35	6.61
L2–C2	3.03	2.17	0.94	8.66
L2–C3	2.90	2.77	0.71	14.79
L3–C1	1.37	1.53	0.26	6.41