Standard material costs varied between R$0.00 and R$5.70, with a mean R$4.18 SD±1.90 and mode equal to R$5.03.
En cuanto al coste de material padrón hubo variación de R$0,00 a R$5,70, con media de R$4,18 DP±1,90 y moda de R$5,03.
Quanto ao custo de material-padrão, houve variação de R$0,00 a R$5,70, com média de R$4,18 dp±1,90 e moda de R$5,03.