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Tea Company Example: Xbar and R Charts
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- čas přidán 7. 12. 2017
- One of our viewers asked about setting up control charts for a tea packaging process. They appear to want Xbar and R or Xbar and S charts. This video is in answer to their question.
These charts are the most powerful that I know about. But they are also often misapplied. One of the key requirements is that the subgroups must be rational, that is, they must be items produced under circumstances as nearly identical as possible.
What is the benefit of the company of using xbar chart. Thanks