Standard material costs ranged between R$0.28 and R$25.53, with a mean R$5.57 SD±4.52 and mode equal to R$2.87.
En cuanto al coste de material calidad hubo variación de R$0,28 a R$25,53, con media de R$5,57 DP±4,52 y moda de R$2,87.
Quanto ao custo de material-padrão houve variação de R$0,28 a R$25,53, com média de R$5,57 dp±4,52 e moda de R$2,87.