CSSGB · Question #21
Create a service example to explain rolled throughput yield, DPO, DPMO, process sigma. Answer: A service has 4 steps and each step has only one opportunity for a defect. The yield of step 1 is 0.99, t
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Question
Create a service example to explain rolled throughput yield, DPO, DPMO, process sigma. Answer:
A service has 4 steps and each step has only one opportunity for a defect. The yield of step 1 is 0.99, the yield of step 2 is 0.95, the yield of step 3 is 0.99, and the yield of step 4 is 0.97. The four steps are independent of each other. What is the rolled throughput yield (RTY), the DPO, the DPMO, and the process sigma? RTY=.99x.95x.99x.97=.903 DPO=1.0-RTY=.097 DPMO=97,000 Process Sigma=approx 2.8
Options
- AA service has 4 steps and each step has only one opportunity for a defect. The yield of step 1 is 0.99, the yield of step 2 is 0.95, the yield of step 3 is 0.99, and the yield of step 4 is 0.97. The four steps are independent of each other. What is the rolled throughput yield (RTY), the DPO, the DPMO, and the process sigma? RTY=.99x.95x.99x.97=.903 DPO=1.0-RTY=.097 DPMO=97,000 Process Sigma=approx 2.8
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