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Exam (elaborations)

Six Sigma Green Belt Certification – DMAIC, Lean Six Sigma Tools, Process Improvement, and Practice Questions with Answers..

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This document contains comprehensive Six Sigma Green Belt Certification practice questions and answers covering DMAIC methodology, Lean Six Sigma tools, process improvement, statistical analysis, quality management, project management, Voice of the Customer (VOC), process mapping, hypothesis testing, and control methods. It reviews essential concepts including project charters, SIPOC diagrams, Kano Analysis, root cause analysis, process capability, measurement systems, stakeholder management, Lean principles, statistical tools, and continuous improvemen

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Used to quantitatively describe the pain in the current process. It should address four
critical components:


1. What is the problem?
2. When/Where is it hurting?
3. What is the magnitude of the problem?
4. What are the consequences of the problem?


Give this one a try later!


Problem Statement




Methodology that can be used to capture the customer needs. It helps capture these
needs through stated verbatim comments. Classification of VOC falls into five distinct
categories (AICPS):


1. Voice of (A)associate

,2. Voice of (I)nvestor
3. Voice of ©ustomer
4. Voice of ℗rocess
5. Voice of (S)supplier


VOC capture methods include:


1. Surveys
2. Interviews
3. Focus Groups (Staff Council)
4. Suggestions
5. Observations


Give this one a try later!


Voice of Customer (VOC)




A clear, concise and compelling way to describe a business or new business concept
in 30 seconds; a differentiating vision to encourage potential investors or employees
to learn more.


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Elevator Speech




What is the extent of the problem? Involves three steps:


1. Identify what to measure
2. Plan & collect data
3. Determine baseline performance


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, Measure




In this step, you try to define the problem from the customer's perspective.


Tools include:
1. Voice of Customer (VOC)
2. Affinity Diagram
3. Translating Needs to Requirements
4. Kano Analysis
5. Critical to Quality (CTQ) Tree


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Define Phase, Step 1: Understand customer and business requirements




In this step, you confirm if the root causes have a significant impact on the problem. In
other words, you validate the root causes. Our objective is to boil down to just 3 to 6
root causes of the identified list of trivial many root causes. These 3 to 6 root causes
are called vital few X's.


Hypothesis Testing is the primary technique used in this step. The concept of
hypothesis testing will enable you to learn a number of statistical tests including:


Tools include:
1. 1-Sample t
2. 2-Sample t
3. Paired t
4. One-Way ANOVA
5. 1-Variance
6. 2-Variance
7. Test of Equal Variances
8. 1-Sample Sign
9. Mann Whitney

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