Table 4: Slopes of the age-metallicity relation calculated in the Fe4383-H$\beta $ diagram for the three described distributions (see text), and for the LDEGs and HDEGs. The last two columns show the dispersion in age and metallicity for the different distributions and the subsamples of observed galaxies.
Distribution Age (Gyr) [M/H] Slope t $\sigma_{\rm\log~(age)}$ $\sigma_{\rm [M/H]}$
1 8.00 0.06 $-0.668\pm 0.005$ 2.00 0.084 0.073
2 8.00 0.00-0.06 $-0.683\pm 0.005$ 2.37 0.084 0.076
3 5.62-10.00 0.00 $-0.362\pm 0.004$ 5.41 0.113 0.069
LDEG     $-0.516\pm 0.044$   0.255 0.152
HDEG     $-0.333\pm 0.152 $   0.181 0.153

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