From the course: Cert Prep: Certified Six Sigma Green Belt

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Descriptive statistics for Six Sigma

Descriptive statistics for Six Sigma

From the course: Cert Prep: Certified Six Sigma Green Belt

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Descriptive statistics for Six Sigma

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You have noticed a theme here, but it bears repeating. Conducting a DMAIC project and taking these exams are very different things. You will be asked to do manual calculations. You will be asked to identify definitions. You will have some kind of reference. However, the difficulty can be the time constraint. Looking up every one of the four multiple choice options will simply take too long. So you need to know the definitions and recognize the formulas quickly. For the GreenBlood exam, you should know how to define, calculate and evaluate measures of dispersion and measures of central tendency, and be able to develop and interpret frequency distributions and cumulative frequency distributions. Just as an example, a question you may ask, which of the following is a measure of dispersion – mean, median, mode or variance? It may seem simple, but it requires accuracy. You don't want to lose any easy points. Let's start with the basics. Measures of central tendency include the mean, median…

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