Question: 2- Given the following table of coating weights for samples of size n = 4: (a) Calculate the x 's and R's. (b) Calculate the

2- Given the following table of coating weights for samples of size n = 4: (a) Calculate the x 's and R's. (b) Calculate the x and R values for all eight samples. (c) Determine the appropriate constants that would be used with this data to construct x and R control charts, and calculate the control limits. Sample 1 2 3 4 00 OWN x1 18.5 17.9 19.6 22.2 19.1 22.8 19 20.7 X2 21.2 19 19.8 21.5 20.6 22.2. 20.5 21 3 19.4 20.3 20.4 20.8 20.8 23.2 20.3 20.5 x4 16.5 21.2 20.5 20.3 21.6 23 19.2 19.1

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