Question: Construct an x R chart for the following data set Sub Group No. 1 2 4 5 6 7 8 9 10 11 12 13

Construct an x R chart for the following data set

Construct an x R chart for the following data set

Sub Group No. 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 6:00 10:00 14:00 18:00 14.0 12.6 13.2 13.1 13.2 13.3 12.7 13.4 13.5 12.8 13.0 12.8 13.9 12.4 13.3 13.1 13.0 13.0 12.1 12.2 13.7 12.0 12.5 12.4 13.9 12.1 12.7 13.4 13.4 13.6 13.0 12.4 14.4 12.4 12.2 12.4 13.3 12.4 12.6 12.9 13.3 12.8 13.0 13.0 13.6 12.5 13.3 13.5 13.4 13.3 12.0 13.0 13.9 13.1 13.5 12.6 14.2 12.7 12.9 12.9 13.6 12.6 12.4 12.5 14.0 13.2 12.4 13.0 13.1 12.9 13.5 12.3 14.6 13.7 13.4 12.2 13.9 13.0 13.0 13.2 13.3 12.7 12.6 12.8 13.9 12.4 12.7 12.4 13.2 12.3 12.6 13.1 13.2 12.8 12.8 12.3 13.3 12.8 12.0 12.3 22:00 12.1 12.1 12.4 13.2 13.3 12.4 13.0 13.5 12.5 12.8 13.1 12.8 13.1 12.8 12.5 12.2 13.0 12.8 12.5 12.6 12.7 12.8 12.7 12.6 12.2 of X - R Grand Mean (X) X R 13.00 1.9 12.94 1.3 12.90 1.1 13.18 1.5 2.72 1.2 12.60 1.7 13.02 1.8 13.18 1.2 12.78 2.2 12.80 0.9 13.04 0.5 13.14 1.1 12.96 1.4 13.18 1.3 13.04 1.7 12.66 1.4 13.12 1.6 12.92 1.2 13.28 2.4 13.14 1.3 12.82 0.7 12.84 1.5 12.78 0.9 12.74 0.9 12.72 1.1 323.50 33.8 12.94 1.35

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