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
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Minitab
How to manually calculate Tukey’s Honestly Significant Difference (HSD) for comparing factor levels
I was recently asked by a client to explain how the Tukey’s HSD (Honestly Significant Difference) is calculated, but I
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Use capability analysis to see if you are sleeping enough
My wife says I don’t sleep enough, and she is right. I tried to argue with her for years, saying
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Split testing website marketing messages with Minitab’s Chi-Square % Defective comparison tests
Six sigma techniques have expanded beyond traditional manufacturing companies, into healthcare, movie industry, government and now online marketing. Split testing
Read MoreZero defects does not mean the problem is solved
One of the common mistakes made by companies is the assumption that the lack of defects means the problem has
Read MoreOnline statistics training from Minitab has great animation and examples
Minitab statistical software is one of the most powerful and popular programs around, especially for those in the Six Sigma
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