Garmin A03191 Owner's Manual page 14

Females Watts per Kilogram (W/kg)
Fair From 1.90 to 2.35
Untrained Less than 1.90
FTP ratings are based on research by Hunter Allen and Andrew
Coggan, PhD, Training and Racing with a Power Meter
(Boulder, CO: VeloPress, 2010).
10 Appendix