SKEDSOFT

Six Sigma

Introduction: The analysis of variance method (ANOVA) is the most accurate method for quantifying repeatability and reproducibility. In addition, the ANOVA method allows the variability of the interaction between the appraisers and the parts to be determined.

Analysis of variance method:

The ANOVA method for measurement assurance is the same statistical technique used to analyze the effects of different factors in designed experiments. The ANOVA design used is a two-way, fixed effects model with replications. The ANOVA table is shown in Table.