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 MoreI was recently asked by a client to explain how the Tukey’s HSD (Honestly Significant Difference) is calculated, but I
Read MoreMy wife says I don’t sleep enough, and she is right. I tried to argue with her for years, saying
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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