Research Article

Design of a Control Chart Based on COM-Poisson Distribution for the Uncertainty Environment

Table 2

The NARLs of proposed chart when and .

[2.807,2.814][2.935,2.938][3,3.004]

NARL

0[200.14,204.36][300.03,303.05][370.59,374.97]

1.0125[187.97,194.09][280.28,286.60][345.22,353.8]

1.025[175.81,183.70][260.66,270.04][320.10,332.53]

1.0375[163.84,173.34][241.46,253.58][295.59,311.46]

1.05[152.20,163.11][222.91,237.43][271.99,290.83]

1.0625[141.01,153.12][205.19,221.74][249.53,270.85]

1.075[130.35,143.45][188.44,206.64][228.38,251.68]

1.125[93.92,108.98][132.20,153.59][158.01,184.87]

1.15[79.49,94.57][110.43,131.83][131.08,157.75]

1.2[57.2,71.22][77.50,97.20][90.81,115.00]

1.25[41.75,54.04][55.29,72.31][64.02,84.64]

1.3[31.07,41.53][40.3,54.56][46.16,63.24]

1.35[23.62,32.40][30.05,41.86][34.09,48.09]

1.4[18.34,25.68][22.93,32.67][25.78,37.23]

1.45[14.52,20.68][17.88,25.94][19.94,29.33]

1.5[11.72,16.91][14.23,20.93][15.74,23.50]

1.6[8.04,11.78][9.50,14.25][10.38,15.80]

1.8[4.46,6.58][5.06,7.66][5.42,8.32]

1.9[3.55,5.20][3.96,5.96][4.20,6.42]

2[2.92,4.24][3.22,4.80][3.39,5.13]