The relationship (measurable) from the process to the specification is called:
Lower
Specification
Limit
Upper
Specification
Limit
VOC in relation to VOP

Defects
Defects
Acceptable
Lower
Specification
Limit
Requirements of the
customer (VOC
)
Process
Variation (VOP)
Upper
Specification
Limit
Determined by our customer
VOC in relation to VOP

Six Sigma metric
What is the “right” level of performance needed ?
