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?
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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
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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