Question: Using the following data: 3- If =0.2 a. what are the upper and lower control limits for X chart? b. Draw the graph of X

Using the following data: 3- If =0.2 a. what are the upper and lower control limits for X chart? b. Draw the graph of X chart with sample average data. c. Is the process under control? 4- If is unknown, a. what are the upper and lower control limits X chart? b. Draw the graph of X chart with sample average data. c. Is the process under control? 5- With the above table: a. what are the upper and lower control limits for R chart? b. Draw the graph of R chart with range data. c. Is the process under control

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