Six Sigma Black Belt Chapter 1
What is Six Sigma? - answer It is a strategy to significantly improve customer
satisfaction and shareholder value by reducing variability in every aspect of your
business.
Why use Six Sigma? - answerIt enhances the ability to deliver customer satisfaction and
cost improvement results faster within months from the start and sustain rates of
improvement.
Six Sigma Breakdown - answerThree Sigma (historical standard) is 93.32% perfection
Four Sigma (current standard) is 99.38% perfection equating to 6000 defects per million
opportunities
Six Sigma (future standard) is 99.9997% perfection equating to 3.4 errors per million of
transactional opportunities
What is the relationship between sigma level, cost, cycle time, and customer
satisfaction? - answerAs the sigma level increases, cost and cycle time decreases while
customer satisfaction increases.
Potential Quality - answerThe known maximum possible value added per unit of input.
Actual Quality - answerThe current value added per unit of input.
Waste - answerThe different between potential and actual quality.
Cost of Poor Quality (COPQ) - answerPercentage of revenue spent fixing problems -
includes any cost that would not be expended if quality were perfect.
Pyzdek's Law - answerMost of what you know is wrong.
What are the three (3) goals of change? - answer1. Change the way people in the
organization think
2. Change the norms
3. Change the organization's systems or processes
What are Kotter's eight (8) required steps to achieve organizational transformation? -
answer1. Establish a sense of urgency
2. Form a powerful guiding coalition
3. Create a vision
4. Communicate the vision
5. Empower others to act on the vision
6. Plan for and create short-term wins
, 7. Consolidate improvements and produce more change
8. Institutionalize new approaches
What activities and systems are required to successfully implement Six Sigma? -
answer1. Leadership
2. Infrastructure
3. Communication and awareness
4. Stakeholder feedback systems
5. Process feedback systems
6. Project selection
7. Project deployment
Six Sigma can best be defined as:
A. A management methodology that uses only statistical tools to improve the customer
experience.
B. A customer-focused problem solving methodology that uses powerful statistical tools
to reduce variation and improve processes.
C. A management methodology that is primarily focused on achieving financial results.
D. A customer-focused problem solving methodology used exclusively within the
manufacturing sector - answerB. A customer-focused problem solving methodology that
uses powerful statistical tools to reduce variation and improve processes.
Which Role is not traditionally performed by a Green Belt?
A. Data Gathering
B. Analysis
C. Lead Small Projects
D. Coach and mentor other Six Sigma Practitioners - answerD. Coach and mentor other
Six Sigma Practitioners
A Process is operating at Six Sigma:
A. We can expect 3.2 defects per million opportunities
B. It has a yield of 99.997%
C. We can expect 3.4 defects per million opportunities
D. It has a yield of 99.9967% - answerC. We can expect 3.4 defects per million
opportunities
What is Six Sigma? - answer It is a strategy to significantly improve customer
satisfaction and shareholder value by reducing variability in every aspect of your
business.
Why use Six Sigma? - answerIt enhances the ability to deliver customer satisfaction and
cost improvement results faster within months from the start and sustain rates of
improvement.
Six Sigma Breakdown - answerThree Sigma (historical standard) is 93.32% perfection
Four Sigma (current standard) is 99.38% perfection equating to 6000 defects per million
opportunities
Six Sigma (future standard) is 99.9997% perfection equating to 3.4 errors per million of
transactional opportunities
What is the relationship between sigma level, cost, cycle time, and customer
satisfaction? - answerAs the sigma level increases, cost and cycle time decreases while
customer satisfaction increases.
Potential Quality - answerThe known maximum possible value added per unit of input.
Actual Quality - answerThe current value added per unit of input.
Waste - answerThe different between potential and actual quality.
Cost of Poor Quality (COPQ) - answerPercentage of revenue spent fixing problems -
includes any cost that would not be expended if quality were perfect.
Pyzdek's Law - answerMost of what you know is wrong.
What are the three (3) goals of change? - answer1. Change the way people in the
organization think
2. Change the norms
3. Change the organization's systems or processes
What are Kotter's eight (8) required steps to achieve organizational transformation? -
answer1. Establish a sense of urgency
2. Form a powerful guiding coalition
3. Create a vision
4. Communicate the vision
5. Empower others to act on the vision
6. Plan for and create short-term wins
, 7. Consolidate improvements and produce more change
8. Institutionalize new approaches
What activities and systems are required to successfully implement Six Sigma? -
answer1. Leadership
2. Infrastructure
3. Communication and awareness
4. Stakeholder feedback systems
5. Process feedback systems
6. Project selection
7. Project deployment
Six Sigma can best be defined as:
A. A management methodology that uses only statistical tools to improve the customer
experience.
B. A customer-focused problem solving methodology that uses powerful statistical tools
to reduce variation and improve processes.
C. A management methodology that is primarily focused on achieving financial results.
D. A customer-focused problem solving methodology used exclusively within the
manufacturing sector - answerB. A customer-focused problem solving methodology that
uses powerful statistical tools to reduce variation and improve processes.
Which Role is not traditionally performed by a Green Belt?
A. Data Gathering
B. Analysis
C. Lead Small Projects
D. Coach and mentor other Six Sigma Practitioners - answerD. Coach and mentor other
Six Sigma Practitioners
A Process is operating at Six Sigma:
A. We can expect 3.2 defects per million opportunities
B. It has a yield of 99.997%
C. We can expect 3.4 defects per million opportunities
D. It has a yield of 99.9967% - answerC. We can expect 3.4 defects per million
opportunities
