Question: please show work 3 2 points Below are 4 samples with 7 observations each. Using the R-Chart, determine the upper control limit for the range.

please show work 3 2 points Below are 4 samplesplease show work

3 2 points Below are 4 samples with 7 observations each. Using the R-Chart, determine the upper control limit for the range. (round to 2 decimal places in your answer) Sample 1 79.2 78.8 80.0 78.4 81.0 80.2 79.9 Sample 2 80.5 78.7 81.0 80.4 80.1 80.0 79.8 Sample 3 79.6 79.6 80.4 80.3 80.8 79.9 80.1 Sample 4 78.9 79.4 79.7 79.4 80.6 80.4 78.9 FACTORS FOR R CHARTS Number of Observations in Sample, n Factor for Chart, A2 Lower Control Limit, D Upper Control Limit, DA 2 0 0 3 4 3.27 2.57 2.28 2.11 0 5 0 0 6 2.00 7 0.08 8 1.92 1.86 1.82 9 10 1.88 1.02 0.73 0.58 0.48 0.42 0.37 0.34 0.31 0.29 0.27 0.25 0.24 0.22 0.21 0.20 0.19 0.19 0.14 0.18 0.22 0.26 0.28 1.78 11 12 1.74 1.72 1.69 13 0.31 0.33 14 1.67 15 1.65 1.64 16 17 0.35 0.36 0.38 0.39 0.40 1.62 18 1.61 19 1.60 1.59 20 0.18 0.41 Type your

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