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. 2025 Aug 22;15:30964. doi: 10.1038/s41598-025-16531-2

Table 2.

Run length profile of control charts for λ = 0.15 and ARL0 = 370.

δ n1 = 3, n2 = 6 n1 = 5, n2 = 10
FEWMA VEWMA ASEWMA FEWMA VEWMA ASEWMA
L1 = 2.8109 L2 = 3.1114 L3 = 2.8100 L1 = 2.8091 L2 = 3.1001 L3 = 2.8100
ARL SDRL ARL SDRL ARL SDRL ARL SDRL ARL SDRL ARL SDRL
0 370.92 370.14 370.58 370.54 370.33 370.30 370.38 370.36 370.90 370.88 370.46 370.44
0.1 268.62 267.48 264.32 264.18 232.96 232.19 269.46 267.13 216.82 215.22 184.68 182.68
0.2 143.67 139.90 136.43 131.70 107.33 106.08 141.07 139.06 94.07 89.87 69.27 65.93
0.3 77.19 73.00 73.19 68.71 52.48 49.55 77.75 73.81 44.91 40.91 33.19 29.73
0.4 46.06 41.43 42.64 37.73 30.69 26.65 46.26 41.72 25.88 21.54 19.0 15.1
0.6 21.19 17.17 19.43 15.18 14.19 10.85 21.16 16.94 11.83 8.27 8.89 6.05
0.8 12.30 8.89 11.14 7.64 8.45 5.74 12.28 8.94 7.21 4.35 5.54 3.39
1.0 8.22 5.51 7.52 4.61 5.81 3.58 8.21 5.46 5.02 2.72 3.95 2.16
2.0 2.65 1.39 2.77 1.16 2.28 0.9 2.63 1.37 2.08 0.75 1.81 0.6
3.0 1.50 0.64 1.81 0.62 1.61 0.54 1.50 0.65 1.41 0.50 1.3 0.46
4.0 1.11 0.32 1.36 0.49 1.26 0.44 1.12 0.33 1.08 0.27 1.05 0.21
5.0 1.01 0.11 1.11 0.31 1.06 0.25 1.01 0.12 1.00 0.07 1 0.04