Question: Given the following sample data, what would be the Upper and Lower +/- 3 Sigma Control Limits for the corresponding X-bar chart? Sample Obs X

Given the following sample data, what would be the Upper and Lower +/- 3 Sigma Control Limits for the corresponding X-bar chart?

Sample Obs X1 Obs X2 Obs X3 Obs X4 Obs X5 Obs X6
1 36 20 32 28 21 40
2 31 38 35 38 33 32
3 33 28 36 31 25 25
4 38 25 32 40 29 39
5 38 30 28 30 31 31

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