QCM 110 · Quality Management
Session 6 · Hour 1 · Two kinds of fence
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Cp hope · Cpk truth
Cp 1.43 · Cpk 1.43
When the center is true, they meet. Cp 1.43, Cpk 1.43.
Name the index
0/4
The customer’s fence. Pass or fail.
The process talking to itself. Stable or not.
Spread against the fence. Center ignored.
Spread and the shift. The number you may ship on.
CheckCp is hope. Cpk is the truth of the center. Compute Cp and Cpk once.