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请教两个GRR的问题

做GRR时,默认:
1.measurement system is accurate and calibrated;
  1. there is no interation between parts and operators;
  2. data is measured without error
  3. all of abocve

GRR%==8.8, NSD is 1. this means that:
1.there were too few operators in this study
  1. there were too few parts in this study
3.there were too few replicates in this study
  1. the parts did not cover the full range of values of interest
  2. all of above
6.
7.
  1. xiexie
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KisJim (威望:45) (四川 成都) 电子制造 质量管理部部长 - MQE 部长

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真骚包! 英语不是特别好至于还这样显摆吗?

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