Research Article
A Simple Approach for Monitoring Business Service Time Variation
Table 15
(a) The new service times from the first ten counters in a bank branch (
). (b) The new service times from the last ten counters in a bank branch (
).
(a) |
| | | | | | | | | | | | | |
| 1 | 3.54 | 0.01 | 1.33 | 7.27 | 5.52 | 0.09 | 1.84 | 1.04 | 2.91 | 0.63 | 1 | 3.11 | 2 | 0.86 | 1.61 | 1.15 | 0.96 | 0.54 | 3.05 | 4.11 | 0.63 | 2.37 | 0.05 | 0 | 2.49 | 3 | 1.45 | 0.19 | 4.18 | 0.18 | 0.02 | 0.70 | 0.80 | 0.97 | 3.60 | 2.94 | 0 | 1.99 | 4 | 1.37 | 0.14 | 1.54 | 1.58 | 0.45 | 6.01 | 4.59 | 1.74 | 3.92 | 4.82 | 1 | 1.79 | 5 | 3.00 | 2.46 | 0.06 | 1.80 | 3.25 | 2.13 | 2.22 | 1.37 | 2.13 | 0.25 | 0 | 1.43 | 6 | 1.59 | 3.88 | 0.39 | 0.54 | 1.58 | 1.70 | 0.68 | 1.25 | 6.83 | 0.31 | 1 | 1.35 | 7 | 5.01 | 1.85 | 3.10 | 1.00 | 0.09 | 1.16 | 2.69 | 2.79 | 1.84 | 2.62 | 0 | 1.08 | 8 | 4.96 | 0.55 | 1.43 | 4.12 | 4.06 | 1.42 | 1.43 | 0.86 | 0.67 | 0.13 | 0 | 0.86 | 9 | 1.08 | 0.65 | 0.91 | 0.88 | 2.02 | 2.88 | 1.76 | 2.87 | 1.97 | 0.62 | 0 | 0.69 | 10 | 4.56 | 0.44 | 5.61 | 2.79 | 1.73 | 2.46 | 0.53 | 1.73 | 7.02 | 2.13 | 1 | 0.75 |
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|
(b) |
| | | | | | | | | | | | | |
| 1 | 5.01 | 3.88 | 4.18 | 0.88 | 4.06 | 3.05 | 4.59 | 0.63 | 6.83 | 0.25 | 0 | 1.15 | 2 | 1.59 | 0.19 | 0.39 | 0.54 | 1.73 | 1.42 | 4.11 | 1.25 | 7.02 | 0.62 | 0 | 0.92 | 3 | 1.59 | 0.65 | 1.43 | 1.00 | 5.52 | 1.16 | 4.11 | 1.37 | 3.6 | 2.62 | 0 | 0.74 | 4 | 3.54 | 0.65 | 1.43 | 1.00 | 4.06 | 6.01 | 4.59 | 1.37 | 1.97 | 0.31 | 0 | 0.59 | 5 | 5.01 | 0.01 | 1.54 | 7.27 | 0.09 | 2.88 | 4.11 | 0.97 | 7.02 | 0.63 | 0 | 0.47 | 6 | 4.96 | 0.14 | 0.91 | 4.12 | 4.06 | 6.01 | 2.69 | 0.63 | 2.13 | 0.13 | 0 | 0.38 | 7 | 4.96 | 2.46 | 1.54 | 7.27 | 0.45 | 1.42 | 0.53 | 0.63 | 2.13 | 4.82 | 0 | 0.30 | 8 | 1.37 | 0.44 | 1.33 | 1.00 | 0.45 | 2.46 | 2.22 | 2.87 | 7.02 | 4.82 | 0 | 0.24 | 9 | 1.59 | 0.01 | 0.91 | 1.58 | 0.54 | 1.70 | 1.84 | 2.79 | 2.91 | 0.62 | 0 | 0.19 | 10 | 5.01 | 0.44 | 0.91 | 0.88 | 1.73 | 3.05 | 1.43 | 1.74 | 6.83 | 4.82 | 0 | 0.15 |
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