**Table 7:** Means and RMSs of additional emission-line flux ratios of the galaxies in the sample A+B^a.
Oxygen Abundance	log $\frac{F([{\rm NeIII}]\lambda3869) }{F([{\rm OII}]\lambda3727)}$	log $\frac{F({\rm H}\alpha+{\rm [NII]}\lambda\lambda6548,6584)} {F([{\rm SII}]\lambda6720)}$	log $\frac{F([{\rm OIII}]\lambda5007)}{F({\rm H}\beta)}$	log $\frac{F([{\rm OII}]\lambda3727)}{F({\rm H}\beta)}$
$7.05 \leq 12 + {\rm log (O/H)} < 7.45$	-0.092	1.737	0.421	-0.486
	(0.144)	(0.156)	(0.134)	(0.186)
$7.45 \leq 12 + {\rm log (O/H)} < 7.55$	-0.285	1.481	0.594	-0.210
	(0.255)	(0.209)	(0.100)	(0.161)
$7.55 \leq 12 + {\rm log (O/H)} < 7.65$	-0.426	1.254	0.600	-0.050
	(0.368)	(0.256)	(0.124)	(0.226)
$7.65 \leq 12 + {\rm log (O/H)} < 7.75$	-0.545	1.188	0.653	0.127
	(0.202)	(0.175)	(0.062)	(0.193)
$7.75 \leq 12 + {\rm log (O/H)} < 7.85$	-0.374	1.217	0.724	0.003
	(0.219)	(0.177)	(0.072)	(0.171)
$7.85 \leq 12 + {\rm log (O/H)} < 7.95$	-0.504	1.038	0.708	0.140
	(0.287)	(0.171)	(0.082)	(0.216)
$7.95 \leq 12 + {\rm log (O/H)} < 8.05$	-0.510	1.036	0.731	0.163
	(0.222)	(0.149)	(0.082)	(0.144)
$8.05 \leq 12 + {\rm log (O/H)} < 8.15$	-0.592	0.992	0.732	0.216
	(0.228)	(0.150)	(0.092)	(0.163)
$8.15 \leq 12 + {\rm log (O/H)} < 8.25$	-0.603	0.968	0.712	0.215
	(0.150)	(0.101)	(0.069)	(0.103)
$8.25 \leq 12 + {\rm log (O/H)} < 8.35$	-0.694	1.038	0.684	0.244
	(0.346)	(0.197)	(0.086)	(0.188)
$8.35 \leq 12 + {\rm log (O/H)} < 8.55$	-0.900	0.932	0.590	0.361
	(0.095)	(0.082)	(0.060)	(0.074)

^a Mean and RMS of each emission-line flux ratio are given in the upper
and lower rows. RMSs are given in parenthesis.