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SigmaXL - Powerful Statistical and Graphical Analysis


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SigmaXL Menu

If you would like to view our SigmaXL Features page, please CLICK HERE.

Taguchi Method
SigmaXL was designed from the ground up to be a cost effective, powerful, but easy to use tool that enables users to measure, analyze, improve and control their service, transactional, and manufacturing processes. As an add-in to the already familiar Microsoft Excel, SigmaXL is ideal for Lean Six Sigma training or use in a college statistics course.
"The newer capabilities you introduced in the Taguchi Templates of SigmaXL are very useful. The common experiment design options you now offer (Templates on use of L-4, L-8, …, L-27 orthogonal arrays), are quite pragmatic and user-friendly. Most application minded practitioners should find these templates very attractive for their experimental designs and analyses tasks. Users can now easily design a Taguchi experiment using a selected template and carry out the trial conditions. Once the test results are entered, analyses are performed instantly, saving valuable time for interpretation of experimental outcomes."
Dr. Ranjit K. Roy, Consultant and author of the book "A Primer On The Taguchi Method


sigmaxl histogram process capability

"I am happy to endorse the ANOM Charts introduced in SigmaXL Version 8. They are easy to use and accurately handle balanced and unbalanced data. We collaborated to extend Multiway Slicing to Binomial and Poisson and these are included in the Two-Way charts, where SigmaXL automatically recommends the Slice Charts when the interaction is significant."
Dr. Peter Wludyka, co-author of "The Analysis of Means: A Graphical Method for Comparing Means, Rates, And Proportions.
In addition to the Analysis of Means Charts and Multiple Comparisons, new features in SigmaXL Version 8.1 and 8 Include:

Taguchi Ratios

Taguchi DOE Templates

  • Levels are discrete categorical so may be numeric or text
  • Fill in the blanks template, charts automatically update
  • Predicted Response Calculator and Charts for Mean, Standard Deviation (or Ln Standard Deviation) and Signal-to-Noise Ratio
  • Up to 27 Replications for Outer Array (i.e., support up to L27 Outer Array)
  • Pareto of Deltas (Effects) and ANOVA SS (Sum-of-Squares) % Contribution (for Main Effects and Two-Way Interactions)
  • Main Effects Plot and Interaction Plots (if applicable)
  • For designs with aliased interactions a drop-down list of available aliased interactions is provided. This is much easier to use than Linear Graphs
  • Column assignments to Orthogonal Array are optimized to ensure maximum design resolution
sigmaxl control chart selection

Chi-Square Tests & Associations

  • Adjusted Residuals (significant values highlighted in red)
  • Cell's Contribution to Chi-Square
  • Additional Chi-Square Tests
  • Test and Measures of Association for Nominal & Ordinal Categories


sigmaxl histogram process capability

Templates and Calculators

  • 1 Sample Z Test and Confidence Interval for Mean
  • Normal Exact Tolerance Intervals
  • Equivalence Tests: 1 & 2 Sample Means, 2 Proportions, 2 Poisson Rates
  • Type 1 Gage Study, Gage Bias & Linearity Study

Descriptive Statistics

  • Percentile Report and Percentile Ranges
  • Percentile Confidence and Tolerance Intervals
  • Additional Descriptive Statistics and Normality Tests
  • Outlier and Randomness Tests
SigmaXL V8.1 is compatible with Excel 2010-2019 and can accommodate more than 1 million rows of data. Included are additional Six Sigma DMAIC templates, a DMAIC Menu option and a Control Chart Selection Tool to simplify the selection of SPC charts.



Define, Measure, Analyze, Improve, Control

Lean Six Sigma Software Excel Add-in

View a list of publications SigmaXL has been featured in...

Lean Six Sigma Software Excel Add-in

Web Demos

Our CTO and Co-Founder, John Noguera, regularly hosts free Web Demos featuring SigmaXL and DiscoverSim
Click here to view some now!

Contact Us

Ph: 1.888.SigmaXL (744.6295)

Support: Support@SigmaXL.com

Sales: Sales@SigmaXL.com

Information: Information@SigmaXL.com