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No. Minitab is not necessary for improvement projects, especially in a Lean initiative.

There are many projects that do not use any form of statistical software. Minitab is a statistical software that is mostly suited for applying statistical tools in the Six Sigma DMAIC methodology.

For example, if someone wanted to use statistical tests such as ANOVA, Regression, T-Tests, or F-Tests, to name a few, Minitab can be used. In addition, Minitab also has graphical tools such as box plots, histograms and pareto charts that can be easily run in this software. It is a popular choice for statistical software because Motorola, GE and other large organizations that have implemented a Six Sigma initiative have chosen this statistical software.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at GoLeanSixSigma.com. She is also a Lean Six Sigma Green Belt Instructor at University of California San Diego and teaches in San Diego State University’s Lean Enterprise Program. For almost 20 years, she has helped leading organizations like Washington State, Charles Schwab and GE build problem-solving muscles.