Ces Software Upgrade Times In Minutes Are Being Evaluated Samples Of Five Observations Each Have Been Taken And The 1 (38.03 KiB) Viewed 11 times
Ces Software Upgrade Times In Minutes Are Being Evaluated Samples Of Five Observations Each Have Been Taken And The 2 (21.36 KiB) Viewed 11 times
ces Software upgrade times (in minutes) are being evaluated. Samples of five observations each have been taken, and the results are as listed 1 79.2 78.8 50.0 78.4 81.0 Number of Observations in Subgroup, n 2 3 4 5 6 0 10 11 12 13 14 15 16 SAMPLE 2 3 80.5 79.6 78.7 81.0 80.4 30.1 17 18 19 20 Click here for the Excel Data File Factors for three-sigma control limits for and R charts 79.6 80.4 80.3 80.8 Factor for Chart, A2 1.00 1.02 0.73 0.50 4 78.9 79.4 79,6 79.7 80,4 80.8 78.8 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 0.18 79.4 10.6 15 80.5 Limit, 03 FACTORS FOR R CHARTS Lower Control 0 0 0 D 0 0.00 0.14 0.18 0.22 0.26 0.28 0.31 6 79.7 80.6 80.5 0.33 0.35 80.0 81.1 0.36 0.30 0.39 0.40 0.41 Upper Control Limit, 04 3.27 2.57 2.20 2.11 2.00 1.92 1.55 1.82 1.78 3.74 1.72 2.69 1.67 1.65 1.04 3.62 1,61 1.60 1.50
a. Using factors from above table, determine upper and lower control limits for mean and range charts. (Round your intermediate calculations and final answers to 2 decimal places. Leave no cells blank - be certain to enter "0" wherever required.) k UCL LCL Mean Chart Range Chart b. Decide if the process is in control The process is in control. O The process is not in control..
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