Research Article
A Simple Approach for Monitoring Business Service Time Variation
Table 12
(a) The service times from the first ten counters in a bank branch (
). (b) The service times from the last ten counters in a bank branch (
).
(a) |
| | | | | | | | | | | | | |
| 1 | 0.88 | 0.78 | 5.06 | 5.45 | 2.93 | 6.11 | 11.59 | 1.20 | 0.89 | 3.21 | 2 | 3.81 | 2 | 3.82 | 13.4 | 5.16 | 3.20 | 32.27 | 3.68 | 3.14 | 1.58 | 2.72 | 7.71 | 3 | 3.76 | 3 | 1.40 | 3.89 | 10.88 | 30.85 | 0.54 | 8.40 | 5.10 | 2.63 | 9.17 | 3.94 | 4 | 3.78 | 4 | 16.8 | 8.77 | 8.36 | 3.55 | 7.76 | 1.81 | 1.11 | 5.91 | 8.26 | 7.19 | 7 | 3.94 | 5 | 0.24 | 9.57 | 0.66 | 1.15 | 2.34 | 0.57 | 8.94 | 5.54 | 11.69 | 6.58 | 4 | 3.94 | 6 | 4.21 | 8.73 | 11.44 | 2.89 | 19.49 | 1.20 | 8.01 | 6.19 | 7.48 | 0.07 | 6 | 4.04 | 7 | 15.08 | 7.43 | 4.31 | 6.14 | 10.37 | 2.33 | 1.97 | 1.08 | 4.27 | 14.08 | 5 | 4.09 | 8 | 13.89 | 0.30 | 3.21 | 11.32 | 9.90 | 4.39 | 10.5 | 1.70 | 10.74 | 1.46 | 5 | 4.14 | 9 | 0.03 | 12.76 | 2.41 | 7.41 | 1.67 | 3.70 | 4.31 | 2.45 | 3.57 | 3.33 | 2 | 4.03 | 10 | 12.89 | 17.96 | 2.78 | 3.21 | 1.12 | 12.61 | 4.23 | 6.18 | 2.33 | 6.92 | 5 | 4.08 | 11 | 7.71 | 1.05 | 1.11 | 0.22 | 3.53 | 0.81 | 0.41 | 3.73 | 0.08 | 2.55 | 1 | 3.92 | 12 | 5.81 | 6.29 | 3.46 | 2.66 | 4.02 | 10.95 | 1.59 | 5.58 | 0.55 | 4.10 | 3 | 3.88 | 13 | 2.89 | 1.61 | 1.30 | 2.58 | 18.65 | 10.77 | 18.23 | 3.13 | 3.38 | 6.34 | 4 | 3.88 | 14 | 1.36 | 1.92 | 0.12 | 11.08 | 8.85 | 3.99 | 4.32 | 1.71 | 1.77 | 1.94 | 2 | 3.79 | 15 | 21.52 | 0.63 | 8.54 | 3.37 | 6.94 | 3.44 | 3.37 | 6.37 | 1.28 | 12.83 | 5 | 3.85 |
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|
(b) |
| | | | | | | | | | | | | |
| 1 | 3.82 | 6.29 | 10.88 | 30.85 | 9.9 | 3.99 | 1.59 | 1.71 | 8.26 | 4.1 | 1 | 1.19 | 2 | 0.24 | 12.76 | 11.44 | 3.2 | 3.53 | 0.57 | 18.23 | 2.45 | 2.72 | 6.92 | 3 | 1.28 | 3 | 3.82 | 7.43 | 0.12 | 3.37 | 1.12 | 12.61 | 1.59 | 1.08 | 0.89 | 0.07 | 1 | 1.27 | 4 | 13.89 | 3.89 | 5.16 | 11.32 | 4.02 | 0.57 | 8.01 | 6.19 | 1.77 | 6.58 | 1 | 1.25 | 5 | 5.81 | 12.76 | 2.41 | 1.15 | 3.53 | 0.81 | 11.59 | 5.91 | 4.27 | 3.33 | 0 | 1.19 | 6 | 12.89 | 8.73 | 10.88 | 2.89 | 18.65 | 10.95 | 0.41 | 3.13 | 4.27 | 7.71 | 1 | 1.18 | 7 | 2.89 | 0.63 | 0.12 | 0.22 | 4.02 | 10.95 | 8.01 | 1.08 | 10.74 | 4.1 | 0 | 1.12 | 8 | 16.8 | 1.05 | 1.3 | 3.2 | 2.34 | 0.81 | 4.32 | 3.13 | 0.08 | 1.46 | 1 | 1.12 | 9 | 4.21 | 17.96 | 5.06 | 0.22 | 4.02 | 3.99 | 8.01 | 5.91 | 0.55 | 3.33 | 1 | 1.11 | 10 | 12.89 | 8.77 | 11.44 | 7.41 | 1.12 | 1.81 | 4.32 | 5.58 | 0.89 | 14.08 | 1 | 1.10 | 11 | 0.88 | 8.77 | 5.06 | 3.55 | 8.85 | 10.95 | 18.23 | 5.54 | 2.33 | 6.58 | 2 | 1.15 | 12 | 7.71 | 7.43 | 0.12 | 2.58 | 1.12 | 2.33 | 4.23 | 2.63 | 4.27 | 3.33 | 0 | 1.09 | 13 | 7.71 | 9.57 | 0.12 | 30.85 | 7.76 | 1.81 | 3.14 | 1.71 | 2.72 | 14.08 | 2 | 1.14 | 14 | 2.89 | 1.05 | 2.41 | 11.32 | 32.27 | 8.4 | 1.97 | 2.45 | 11.69 | 12.83 | 2 | 1.18 | 15 | 1.36 | 0.63 | 3.46 | 11.32 | 0.54 | 10.95 | 4.23 | 2.45 | 2.33 | 6.34 | 2 | 1.22 |
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