Question: Please write clearly! 2. (15 points) Design and draw the X and R charts using the following data based on a sample size of seven
Please write clearly!
2. (15 points) Design and draw the X and R charts using the following data based on a sample size of seven items. Five samples were taken and inspected. The means of those samples were 21.6, 20.5, 19.9, 20.8, and 22.1, and the sample ranges were 5.6, 5.0, 3.8, 2.2, and 4.5.
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