Medians of sum-squared values of the Jacobians tabulated by category and speaker (left).

Also shown (right) for each pair of categories, are the number of speakers (out of 5) that returned a statistically significant difference on the Mann-Whitney U test for pairwise differences in medians at the level. (Abbreviations: ISP  =  Inter-speech pause, Obs  =  Obstruent, App  =  Approximant).