Table 1.

Mean and Standard Deviations for Real-Ear-to-Coupler Differences Measured With Immittance Tips and Earmolds as a Function of Frequency^*

Coupling	Frequency (Hz)	Mean (dB)	Standard Deviation (dB)
Immittance tip	250	0.13	2.90
	500	3.81	2.81
	750	6.03	2.90
	1000	7.91	3.38
Earmold	250	1.99	3.83
	500	5.66	4.07
	750	7.96	3.75

^*Data were reanalyzed from Bagatto et al., 2002.