Left: distribution of M_B for 103 Lynx-Cancer void galaxies with Hi data. Right: same distribution of M_B for the comparison sample 82 galaxies in groups inside the Local Volume. Median and mean values of M_B of the “groups” sample (−14.10 and −14.24) are somewhat fainter than for the void sample (−14.45 and −14.61, respectively). The standard deviation in opposite is somewhat higher (2.38 mag vs. 1.83 mag). See “Discussion” for further implications.