LEAN SIX SIGMA

Lean Six Sigma Methodology

• combination of Six Sigma Methodology and Lean principles

• used for quality improvement of laboratory

Six Sigma

identifies and eliminates causes of defects and errors

Six Sigma

“How can this process be improved?”

in order to reduce error

Lean

originates from Toyota

“Does this step/process need to exist?”

1. Define

2. Measure

3. Analyze

4. Improve

5. Control

DMAIC Methodology

Define

setting the goal

Measure

assessing the current process

Analyze

identifying the root cause of a problem

Improve

brainstorming to develop solutions

Control

ensuring that the improvements are maintained

Six Sigma System

main goal to reduce number of defects to near ZERO

improve the process by eliminating variations or errors

Six Sigma System

measures the degree of variability or error in services through STATISTICS and QUANTITATIVE parameters

Six Sigma Metrics

quantitative measurement of the error that occurs within a system

Process sigma

capability of a process to meet its defined criteria for acceptability

Defects per Million Opportunities (DPMO)

process sigma under six sigma metrics is measured in ______

SIgma value (σ)

the number of SDs away from the mean, a process can move before it is outside the limit

TRUE

TRUE OR FALSE

The higher the sigma value, the better

Lean System

management concept that reduces waste and streamlines an operation

Lean System

was used to describe the automaker TOYOTA’s business process in 1980s

Seiri

proper arrangement

Seiton

orderliness

Seiso

cleanliness

Seiketsu

cleaned up

Shitsuke

discipline