Question: Analytical Problems (Open book, notes, and computer) Time Limit 2.5 hours Question 1: (a) Ten samples of size 4 were taken for a machine as

Analytical Problems (Open book, notes, and computer) Time Limit 2.5 hours Question 1: (a) Ten samples of size 4 were taken for a machine as shown below: Find control limits for the sample mean and range charts. Show a rough sketch of each chart. Is process under control? Why
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