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SIX SIGMA BLACK BELT STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

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SIX SIGMA BLACK BELT STUDY GUIDE QUESTIONS AND VERIFIED ANSWERS

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What do Centerpoints provide us in an experiment?


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Provides an estimate of curvature. If replicated can estimate pure error.




When would you consider a Plackett-Burman or a Highly Fractional Experiment?


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When you have a high number of factors and/or you have a limitation to the
number of runs due to cost or other.




What's Contained on the Charter?

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Problem Description, Scope, Project Goals, Customer Benefits,
Ownership/Team, Stakeholder Approval, Schedule




What is a pilot run and why should I run one?


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Testing your solutions - to ensure that your solutions are effective and don't
have unintended consequences.




State the null and experimental hypothesis for ANOVA.


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Ho: Means are the same
Ha: Means are different




What is meant by Coded & Uncoded Coefficients?


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Coded units let you compare the size of the coefficients (on a common
scale) to determine which factor has the largest impact on the response.
(Example 1, -1) Uncoded (or natural) units shows actual number - (Temp is 10
to 50).

,CTQ's are derived from what?


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Customer specifications/requirements used to create a CTQ tree to
translate broad requirements into specific requirements.
VOC.




What is the difference between an Activity Flowchart and a Deployment Flowchart?


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Activity Flowchart: displays complexity & decision points in a process done
by 1 person.
Deployment Flowchart: highlights handoff areas in processes between
people or functions. Clarifies roles and dependencies.




What is included in Standardization?


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Evaluate solutions & the plan, maintain the gains by standardizing the
process, outline steps for on-going improvement.




Why do we need a Charter?


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, Clarify expectations of team, Keep team aligned with organization, Keep
team within scope- "scope creep", Gives authorization to work on project




What does a normal data set look like on a Normal Probability Plot?


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Close to the line (linear)
p>0.05 is considered normal




What is a Pareto Chart?


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Values are represented in descending order by bars, and cumulative total
may be represented by a line.




What does a probability plot look like?


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Best fit line with data represented in dots with confidence interval lines
shown.




How do I calculate Sigma?

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