Research Article

A Simple Approach for Monitoring Business Service Time Variation

Table 8

The of the EWMA-AV chart for and .

0.10.20.30.40.50.60.70.80.9

57.211.830.2370.129.811.97.45.44.4
66.610.626.6370.526.210.76.74.94.0
76.19.724.0370.023.39.76.24.63.7
85.89.021.8369.621.49.05.74.33.4
95.48.420.4370.119.68.45.44.03.3
105.17.918.9369.918.47.95.13.83.1
114.97.517.7369.917.27.54.93.63.0
124.67.216.7370.016.37.14.63.52.9
134.56.815.8369.715.56.94.53.42.8
144.36.615.0370.114.96.64.33.32.8
154.16.314.3370.114.36.44.23.22.6