1. Introduction to Six Sigma
Methodology and
symbol of quality

2. Contents :
 What is Six Sigma?
 Why Six Sigma?
 Six Sigma to Defect Levels
 Six Sigma Phases : Define, Measure,
Analyze, Improve and Control
 Tools and Key Roles for Six Sigma

3. Six Sigma : An Overview
 Sigma is a statistical concept that represents
the amount of variation present in a process
relative to customer requirements or
specifications.
 A statistical concept that measures a
process in terms of defects – at the six
sigma level, there 3.4 defects per million
opportunities
 Commonly denoted as 6σ, 6 Sigma, or 6s

4. Why should I use Six Sigma?
Process
Quality
Improvement
Time Customer
Reduction Satisfaction
Growth Money

5. Defect at Sigma Scale:-
Sigma % Good % Bad DPMO
1 30.9% 69.1% 691,462
2 69.1% 30.9% 308,538
3 93.3% 6.7% 66,807
4 99.38% 0.62% 6,210
5 99.977% 0.023% 233
6 99.9997% 0.00034% 3.4

6. Six Sigma methodologies
Define Measure Analyze
Improve
DMAIC Control

7. Six Sigma Phases
Define Define the project goals and customer
Define
Define (internal and external) deliverables
Measure the process to determine
Measure
current performance
Analyze and determine the root
Analyze
cause(s) of the defects

8. Six Sigma Phases
Improve the process by eliminating
Improve defects
Control future process performance
Control

9. Tools for Six Sigma
• Balanced Scorecard
• Stakeholder Analysis
• Force Field Analysis
• Cause & Effect Diagram
• Affinity Diagram
• SIPOC Diagram.
• Minitab:- Statistical and Process Management Software for
Six Sigma and Quality Improvement.

10. Key Roles for Six Sigma
Are the employees who take up Six Sigma
Green Belts
implementation along with their other job
responsibilities. They operate under the
guidance of Black Belts and support them
in achieving the overall results.

11. Key Roles for Six Sigma
Black Belts Operate under Master Black Belts to apply
Six Sigma methodology to specific
projects. They primarily focus on Six
Sigma project execution.
Identified by champions, act as in-house
Master
expert coach for the organization on Six
Black Belts
Sigma. They devote 100% of their time to
Six Sigma.

12. Key Roles for Six Sigma
Champions Are responsible for the Six Sigma
implementation across the
organization in an integrated manner.
Champions also act as mentor to Black
Belts.
Includes CEO and other key top
Executive
management team members. They are
Leadership
responsible for setting up a vision for Six
Sigma implementation.

13.  Thank You