Fig. 10

Histograms of the oxygen abundance (top), N/O ratio (middle) and ionisation parameter (U, bottom), as calculated with the Pérez-Montero (2014) method for all non-AGN barred and unbarred galaxies in the sample. The number of objects in each sub-sample and the P-values from the A-D test are shown below the legend. Only non-AGN galaxies are considered.
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