title: [What do parametric tests compare?].
authors.affiliation: Universidad de Colima, Colima, México. cuauhtemoc_acoltzin@ucol.mx.
authors.forename: José Rafael Cuauhtémoc
authors.initials: JR
authors.lastname: Acoltzin-Vidal
mesh_terms: D035843:Biomedical Research / Q000706:statistics & numerical data*; D018709:Statistics, Nonparametric