How the Tukey Method test in Minitab adjusts treatment means when using ANOVA with covariates
After digging into the manual calculations of the Tukey test to compare group averages, another observation was made that I
Read MoreAfter digging into the manual calculations of the Tukey test to compare group averages, another observation was made that I
Read MoreBPI was asked to develop and conduct a Six Sigma Green Belt training program for a well-known food manufacturer. There
Read MoreOver the course of a few years, I worked with a process engineer to provide her with statistical analysis and
Read MoreA common question I get asked is: how accurate are my defect rate predictions? If you are inspecting a sample
Read MoreDuring our Yellow Belt (beginner Six Sigma) class, we have found lots of success teach statistical concepts using candy. It is a
Read MoreSix sigma techniques have expanded beyond traditional manufacturing companies, into healthcare, movie industry, government and now online marketing. Split testing
Read MoreOne of the common mistakes made by companies is the assumption that the lack of defects means the problem has
Read MoreMinitab statistical software is one of the most powerful and popular programs around, especially for those in the Six Sigma
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