Lean Six Sigma and DMAIC Tools Update

You may have noticed that has been completely revamped and has had many Lean Six Sigma and DMAIC tools added.  While these are not pure Six Sigma software downloads, they are in most cases […]

Six Sigma Simulation Table

Six Sigma Simulation Table – Excel Download

Six Sigma Simulation Table   The Six Sigma Simulation Table highlights dynamic errors.  With 5 X inputs, the table highlights the  population mean, the shift vector, as well as the expected shift (Z value).  The […]

equal variance assumption

Introduction to Equal Variance Assumption

Use of Equal Variance Assumption with ANOVA The equal variance assumption is important in statistics because it applies to two of the most widely used tools, the two-sample t-test, and Analysis of Variance (ANOVA). Both […]