Question: The data shown in table below are for twelve samples of size 6. Sample Mean Range 1 6.58 4.02 2 11.52 2.85 3 7.80 7.38

The data shown in table below are for twelve
The data shown in table below are for twelve samples of size 6. Sample Mean Range 1 6.58 4.02 2 11.52 2.85 3 7.80 7.38 4. 9.26 2.81 $ 6.94 5.06 6 10.38 3.09 7 9.71 2.53 8 10.65 4.85 9 7.65 2.44 10 8.64 1.83 11 10.30 3.45 12 9.00 4.00 a) Determine the appropriate control charts for this problem and find UCL and LCL. b) Draw the charts. What conclusions can be drawn from the charts

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