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RSD and Sample Size

This spreadsheet helps you understand how the Random Sampling Distribution of the means is important in sample size calculations.  You can enter the population parameters μ (mean) and σ (standard deviation) and see what effect changing the Δ (effect size) α (Type I error) has on β (Type II error).

RSD and Sample Size

Random Heresy

Applied research the smart way

Although we may use the define, measure, analyze, improve, control (DMAIC) mnemonic to help guide us through our problem solving, that doesn't really give us a lot of specific direction (as I bemoan in my Top 10 Stupid Six Sigma Tricks No. 4). Good experimental design

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News Flash

Six Sigma's lead instructor Steven Ouellette wrote an article with Dr. Jeffrey Luftig on "The Decline of Ethical Behavior in Business."

 


 

Six Sigma Online's lead instructor Steven Ouellette was profiled in the June 2008 issue of Quality Digest magazine. If you want to learn more about Steve's peculiar view of the world, as well as what he studied for a year in Europe, read the profile online.

 

 

 

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