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The mechanical reliability uses many statistical tools to find the factors of influence and their levels inthe optimization of parameters on the basis of experimental data. Design of Experiments (DOE) techniquesenables designers to determine simultaneously the individual and interactive effects of many factors that couldaffect the output results in any design. The state-of-the-art in the domain implies extended use of software and abasic mathematical knowledge, mainly applying ANOVA and the regression analysis of experimental data.