March 2019 Meeting

March 20, 2019
7:00 PM to 8:00 PM
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Little Green Onions Restaurant
6723 Brockton Avenue
Riverside, CA 92506

Our next meeting will be on Wednesday, March 20, 2019 at the Little Green Onions Restaurant, 6723 Brockton Avenue, Riverside, CA 92506 at 7:00 PM

Topic: Transformation of Data                            Presented by: Larry Bartkus

The concept of normality is essential for conducting many statistical tests. Often we come across data sets that fail when tested for normality. During this session Larry will demonstrate when and how to transform the data in order to achieve valid technical statistical analysis. Examples of the danger of not transforming or improperly transforming the data will be reviewed. Tools such as power transformations like the Box-Cox Transformation will be included in the discussion. Minitab software will be employed for the analysis and demonstrations.

By attending this clinic presentation you will gain

  • A full understanding of how normality impacts statistical tests and what tests are less impacted
  • The knowledge of why data sets fail normality
  • The ability to transform data when necessary and use normality testing methodology


About the Speaker

Larry Bartkus was named ASQ Biomedical SCDG Speaker of the Year three times now for his informative and always humorous presentations. He is retired and recently was Sr. Distinguished Engineer, Business Excellence Systems for Edwards Lifesciences in Irvine. He is a Certified Quality Engineer and Six Sigma Master Black Belt with over forty five years’ experience in the Quality profession. He holds a degree in Chemistry from Montclair State University in New Jersey. Larry has been guest speaker at the Society of Plastic Engineers, Society of Manufacturing Engineers, American Statistical Association, APICS, OCRA, and ASQ. Larry has lectured at 12 different colleges and universities. He is a past Chairmen of ASQ Section 702 and has served on the Executive Board for over twenty five years now. Larry has also served on the Leadership Committee for the Orange County / Long Beach Chapter of the American Statistical Association for the last five years. He has been an instructor for several Refresher Courses including CQE, CQI, CBA and CQM. Larry has conducted seminars in Process Control, Statistical Sampling, Lean, and Design of Experiments.

For further information on the meeting or interested in presenting at the monthly meeting please contact Subbu Shanmugham by email at or at 714-613-3257.


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