Triples test of symmetry about the sample median (Randles et al. / Minitab Symmetry Test). Counts right-skewed vs left-skewed triples; normal approximation for large n.
Triples test of symmetry about the sample median (Randles et al. / Minitab Symmetry Test). Counts right-skewed vs left-skewed triples; normal approximation for large n.