Question: Part B Analytical Problems (Open book) Time Limit 2.5 hours Question 1(10 points): a) Ten samples of size 6 were taken for a machine as

 Part B Analytical Problems (Open book) Time Limit 2.5 hours Question

Part B Analytical Problems (Open book) Time Limit 2.5 hours Question 1(10 points): a) Ten samples of size 6 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 orocesa under control? Why b) A sample of 600 items was taken per dav for 10 davs and tha numhar nf dafantivo itame anah dwn : ahown below. ind control limits for the proportion of defective items. Draw the chart. Is the process under control? Why

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