The Test of the Signs for the same small sample. Ciencias de la Ingeniería y Aplicadas, [S. l.], v. 10, n. 1, p. 35–49, 2026. DOI: 10.61236/ciya.v10i1.1231. Disponível em: https://investigacion.utc.edu.ec/index.php/ciya/article/view/1231. Acesso em: 4 jun. 2026.