TABLE II.

Statistics for Worse-Ear Thresholds (dB HL).

Hz	Average	Standard Deviation	Minimum	Maximum	Range
250	31.1	17.17	5	80	75
500	35.3	16.75	5	65	60
1000	42.6	16.17	10	70	60
1500	49.2	12.43	15	73	58
2000	55.3	13.77	20	85	65
3000	59.5	13.86	30	110	80
4000	65.8	12.13	45	105	60
6000	66.3	13.45	40	105	65
8000	69.2	15.12	15	100	85
HFPTA	54.6	11.35	32	80	48