Factorial Design Overview covers one of the key issues in designing an experiment: identifying as many influences on the results as possible.
In most experiments, you’ll have a number of factors to deal with. These are elements that affect the outcomes of your experiment. They fall into a few basic categories:
Choose Partial/Fractional Factorial Designs when full factorial design experiments are too time and/or cost-prohibitive.
Control charts are one of the hardest things for those studying six sigma to understand. Here’s an easy Control Charts Study Guide for you.
How I would use Lean Six Sigma principals to improve the Tech Support process.