RETRACTED. Retracted. Mathematical Statistician and Engineering Applications, [S. l.], v. 69, n. 1, p. 577–583, 2020. DOI: 10.17762/msea.v69i1.2631. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/2631. Acesso em: 21 may. 2024.