Table 3.
Characters | California Mean ±SD (N=37) |
Florida Mean ± SD (N=52, 70, 70) |
Unpaired t test |
---|---|---|---|
Intensity (db) | 74.73 ± 2.36 | 68.5 ± 12.8 | 0.0011 |
Carrier frequency (Hz) | 2783.8 ± 97.7 | 2620 ± 140 | < 0.0001 |
Pulse rate (pulses/sec) | 50.54 ± 3.97 | 54.7 ± 4.6 | < 0.0001 |
Trill length (TL) | 16.86 ± 16.11 | - | - |
Trill break duration (BD) | 0.525 ± 0.5 | - | - |
Trill pulse length (TPL) | 0.013 ± 0.001 | - | - |
Trill pulse interval (TPI) | 0.007 ± 0.001 | - | - |
Pulses per trill (P/T) | 859.1 ± 884.3 | - | - |