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Unformatted text preview: Measures Process Capability Ratio
Cp = tolerance range
process range upper specification limit lower specification limit
6 3 4/29/2011 Process Capability Ratio
Cp = Upper Specification - Lower Specification
6 A capable process must have a Cp of at
least 1.0 Does not look at how well the process is centered in the specification range Often a target value of Cp = 1.33 is used
to allow for off-center processes Six Sigma quality requires a Cp = 2.0 Process Capability Ratio
Insurance claims process
Process mean x = 210.0 minutes
Process standard deviation = .516...
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This note was uploaded on 12/29/2012 for the course ISE 543 taught by Professor Araby during the Spring '12 term at MSA University.
- Spring '12