Question: 19.29 For an in-control process with subgroup data n=4, X=20, and R=2, find the estimate of The population mean of all X values. The population

19.29 For an in-control process with subgroup data n=4, X=20, and R=2, find the estimate of

  1. The population mean of all X values.
  2. The population standard deviation of all X values.

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