Table 2 ARL, SDRL & MRL of MM EWMA chart and Max-EWMA chart for \(\lambda\) =0.30 & ARLo = 370.
MM EWMA | MM EWMA | Max-EWMA | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Shift | \(\lambda\)= 0.30, w = 2 | \(\lambda\)= 0.30, w = 3 | \(\lambda\)=0.30 | ||||||||
CL = 1.1543 | CL = 1.1247 | L = 3.346 | |||||||||
b | a | ARL | SDRL | MRL | ARL | SDRL | MRL | ARL | SDRL | MRL | |
0.25 | 0 | 2.53 | 0.46 | 3 | 2.52 | 0.53 | 3 | 2.53 | 0.55 | 3 | |
0.05 | 2.53 | 0.46 | 3 | 2.51 | 0.53 | 3 | 2.53 | 0.55 | 3 | ||
0.1 | 2.52 | 0.46 | 3 | 2.5 | 0.53 | 3 | 2.54 | 0.55 | 3 | ||
0.25 | 2.52 | 0.46 | 3 | 2.5 | 0.53 | 3 | 2.53 | 0.55 | 3 | ||
0.5 | 2.51 | 0.46 | 3 | 2.49 | 0.53 | 3 | 2.53 | 0.55 | 3 | ||
0.75 | 2.51 | 0.46 | 3 | 2.49 | 0.52 | 3 | 2.54 | 0.55 | 3 | ||
1 | 2.48 | 0.43 | 3 | 2.47 | 0.48 | 3 | 2.49 | 0.51 | 2 | ||
1.5 | 2 | 0.05 | 2 | 1.99 | 0.07 | 2 | 2 | 0.04 | 2 | ||
2 | 1.35 | 0 | 2 | 1.38 | 0.01 | 2 | 1.39 | 0.49 | 1 | ||
0.5 | 0 | 5.5 | 2.14 | 5 | 5.21 | 2.14 | 5 | 6.16 | 2.78 | 6 | |
0.05 | 5.49 | 2.15 | 5 | 5.23 | 2.15 | 5 | 6.19 | 2.74 | 6 | ||
0.1 | 5.5 | 2.15 | 5 | 5.22 | 2.15 | 5 | 6.13 | 2.75 | 6 | ||
0.25 | 5.48 | 2.14 | 5 | 5.2 | 2.11 | 5 | 6.19 | 2.81 | 6 | ||
0.5 | 5.28 | 1.83 | 5 | 4.94 | 1.82 | 5 | 5.94 | 2.47 | 5 | ||
0.75 | 4.08 | 0.92 | 4 | 3.82 | 0.96 | 4 | 4.37 | 1.23 | 4 | ||
1 | 3.04 | 0.48 | 3 | 3.02 | 0.59 | 3 | 3.05 | 0.66 | 3 | ||
1.5 | 2 | 0.29 | 2 | 1.98 | 0.21 | 2 | 2 | 0.19 | 2 | ||
2 | 1.44 | 0 | 2 | 1.43 | 0.02 | 2 | 1.45 | 0.5 | 1 | ||
0.75 | 0 | 37.68 | 32.77 | 28 | 35.29 | 31.35 | 26 | 47.11 | 42.2 | 34 | |
0.05 | 37.59 | 32.7 | 28 | 35.22 | 31.29 | 26 | 47.19 | 42.52 | 34 | ||
0.1 | 37.32 | 32.49 | 27 | 35.09 | 31.49 | 26 | 46.43 | 41.3 | 34 | ||
0.25 | 30.91 | 25.9 | 23 | 28.79 | 25.05 | 21 | 39.39 | 34.51 | 29 | ||
0.5 | 9.7 | 5.58 | 8 | 9.01 | 5.54 | 8 | 11.55 | 7.34 | 10 | ||
0.75 | 4.63 | 1.64 | 4 | 4.37 | 1.66 | 4 | 4.93 | 2.01 | 5 | ||
1 | 3.14 | 0.79 | 3 | 3.11 | 0.86 | 3 | 3.15 | 0.96 | 3 | ||
1.5 | 2 | 0.4 | 2 | 1.99 | 0.43 | 2 | 2 | 0.41 | 2 | ||
2 | 1.44 | 0.05 | 2 | 1.45 | 0.1 | 2 | 1.46 | 0.5 | 1 | ||
0.85 | 0 | 136.59 | 130.92 | 96 | 130.65 | 127.69 | 91 | 163.9 | 159.56 | 115 | |
0.05 | 134.09 | 129.39 | 95 | 128.87 | 126.75 | 90 | 158.98 | 154.48 | 112 | ||
0.1 | 123.13 | 119.47 | 86 | 117.84 | 115.16 | 82 | 148.42 | 145.15 | 104 | ||
0.25 | 52.11 | 46.95 | 38 | 48.98 | 45.19 | 35 | 65.46 | 60.52 | 47 | ||
0.5 | 10.11 | 6.31 | 8 | 9.37 | 6.08 | 8 | 11.5 | 7.59 | 9 | ||
0.75 | 4.71 | 1.87 | 4 | 4.48 | 1.9 | 4 | 4.94 | 2.22 | 4 | ||
1 | 3.16 | 0.9 | 3 | 3.16 | 0.97 | 3 | 3.17 | 1.07 | 3 | ||
1.5 | 2 | 0.42 | 2 | 2 | 0.46 | 2 | 2.01 | 0.47 | 2 | ||
2 | 1.44 | 0.08 | 2 | 1.46 | 0.14 | 2 | 1.47 | 0.5 | 1 | ||
0.9 | 0 | 262.68 | 258.09 | 183 | 254.23 | 253.51 | 175 | 296.6 | 293.5 | 208 | |
0.05 | 244.14 | 239.78 | 170 | 237.7 | 235.81 | 165 | 281.4 | 277.04 | 197 | ||
0.1 | 197.63 | 191.36 | 140 | 190.84 | 189.1 | 133 | 228.76 | 223.56 | 160 | ||
0.25 | 54.68 | 50.02 | 39 | 51.14 | 48.22 | 36 | 65.46 | 61.16 | 47 | ||
0.5 | 9.93 | 6.36 | 8 | 9.31 | 6.23 | 8 | 11.25 | 7.65 | 9 | ||
0.75 | 4.74 | 1.96 | 4 | 4.52 | 1.99 | 4 | 4.94 | 2.28 | 4 | ||
1 | 3.16 | 0.95 | 3 | 3.19 | 1.02 | 3 | 3.19 | 1.13 | 3 | ||
1.5 | 2 | 0.44 | 2 | 1.99 | 0.48 | 2 | 2 | 0.51 | 2 | ||
2 | 1.44 | 0.1 | 2 | 1.47 | 0.16 | 2 | 1.48 | 0.5 | 1 | ||
1 | 0 | 370.6 | 369.8 | 257 | 370.79 | 369.87 | 253 | 370.36 | 367.18 | 259 | |
0.05 | 312.2 | 309.96 | 217 | 310.69 | 309.97 | 215 | 320.31 | 318.54 | 222 | ||
0.1 | 205.93 | 202.52 | 144 | 200.69 | 199.42 | 139 | 217.98 | 213.97 | 153 | ||
0.25 | 45.5 | 41.3 | 33 | 42.7 | 40.26 | 31 | 51.27 | 47.28 | 37 | ||
0.5 | 9.66 | 6.3 | 8 | 9.08 | 6.27 | 7 | 10.53 | 7.15 | 9 | ||
0.75 | 4.78 | 2.15 | 4 | 4.55 | 2.16 | 4 | 4.92 | 2.4 | 4 | ||
1 | 3.17 | 1.06 | 3 | 3.21 | 1.12 | 3 | 3.21 | 1.22 | 3 | ||
1.5 | 2 | 0.47 | 2 | 2 | 0.52 | 2 | 2.01 | 0.57 | 2 | ||
2 | 1.45 | 0.13 | 2 | 1.46 | 0.21 | 2 | 1.47 | 0.51 | 1 | ||
1.05 | 0 | 208.9 | 204.18 | 147 | 208.59 | 207.19 | 144 | 209 | 204.08 | 147 | |
0.05 | 186.47 | 182.41 | 131 | 182.78 | 181.23 | 126 | 188.13 | 185.15 | 130 | ||
0.1 | 135.68 | 132.72 | 95 | 130.83 | 129.32 | 90 | 138.97 | 135.31 | 97 | ||
0.25 | 38.41 | 34.24 | 28 | 36.77 | 34.42 | 26 | 41.81 | 38.2 | 30 | ||
0.5 | 9.5 | 6.3 | 8 | 8.95 | 6.26 | 7 | 10.07 | 6.89 | 8 | ||
0.75 | 4.81 | 2.23 | 4 | 4.56 | 2.21 | 4 | 4.89 | 2.48 | 4 | ||
1 | 3.18 | 1.12 | 3 | 3.2 | 1.17 | 3 | 3.21 | 1.27 | 3 | ||
1.5 | 2 | 0.48 | 2 | 2 | 0.55 | 2 | 2.01 | 0.59 | 2 | ||
2 | 1.44 | 0.15 | 2 | 1.47 | 0.22 | 2 | 1.48 | 0.51 | 1 | ||
1.1 | 0 | 105.42 | 101.7 | 75 | 102.65 | 101.21 | 71 | 105.44 | 101.86 | 74 | |
0.05 | 97.89 | 93.88 | 69 | 95.89 | 94.9 | 66 | 99.66 | 96.29 | 70 | ||
0.1 | 80.99 | 77.06 | 58 | 78.3 | 77.26 | 55 | 82.08 | 78.9 | 58 | ||
0.25 | 31.93 | 28.2 | 23 | 30.11 | 27.83 | 22 | 33.12 | 29.67 | 24 | ||
0.5 | 9.25 | 6.14 | 8 | 8.58 | 6.05 | 7 | 9.67 | 6.64 | 8 | ||
0.75 | 4.8 | 2.27 | 4 | 4.54 | 2.28 | 4 | 4.86 | 2.49 | 4 | ||
1 | 3.18 | 1.16 | 3 | 3.2 | 1.21 | 3 | 3.21 | 1.32 | 3 | ||
1.5 | 2 | 0.5 | 2 | 2 | 0.56 | 2 | 2.01 | 0.62 | 2 | ||
2 | 1.45 | 0.17 | 2 | 1.47 | 0.25 | 2 | 1.49 | 0.52 | 1 | ||
1.15 | 0 | 57.24 | 54.1 | 41 | 54.58 | 54.11 | 38 | 57.64 | 54.69 | 41 | |
0.05 | 54.8 | 50.98 | 39 | 52.22 | 50.7 | 37 | 55.13 | 52.06 | 39 | ||
0.1 | 48.08 | 44.51 | 35 | 45.45 | 44.15 | 32 | 48.87 | 45.44 | 35 | ||
0.25 | 24.99 | 21.44 | 19 | 23.58 | 21.43 | 17 | 25.65 | 22.18 | 19 | ||
0.5 | 8.87 | 5.89 | 7 | 8.29 | 5.91 | 7 | 9.08 | 6.13 | 7 | ||
0.75 | 4.79 | 2.31 | 4 | 4.54 | 2.36 | 4 | 4.79 | 2.5 | 4 | ||
1 | 3.19 | 1.21 | 3 | 3.21 | 1.27 | 3 | 3.22 | 1.35 | 3 | ||
1.5 | 2.01 | 0.52 | 2 | 2.01 | 0.58 | 2 | 2.02 | 0.65 | 2 | ||
2 | 1.44 | 0.19 | 2 | 1.47 | 0.26 | 2 | 1.49 | 0.52 | 1 | ||
1.25 | 0 | 22.61 | 19.44 | 17 | 20.9 | 19.02 | 15 | 22.64 | 19.25 | 17 | |
0.05 | 22 | 18.74 | 16 | 20.63 | 19.03 | 15 | 22.02 | 18.81 | 16 | ||
0.1 | 21.05 | 18.01 | 16 | 19.59 | 17.66 | 14 | 21.1 | 18.06 | 16 | ||
0.25 | 15.43 | 12.28 | 12 | 14.27 | 12.1 | 11 | 15.44 | 12.39 | 12 | ||
0.5 | 7.8 | 5.01 | 6 | 7.24 | 5.05 | 6 | 7.89 | 5.25 | 6 | ||
0.75 | 4.58 | 2.32 | 4 | 4.41 | 2.34 | 4 | 4.63 | 2.49 | 4 | ||
1 | 3.19 | 1.26 | 3 | 3.19 | 1.32 | 3 | 3.19 | 1.4 | 3 | ||
1.5 | 2.01 | 0.55 | 2 | 2.01 | 0.61 | 2 | 2.02 | 0.7 | 2 | ||
2 | 1.44 | 0.22 | 2 | 1.48 | 0.29 | 2 | 1.49 | 0.53 | 1 | ||
1.5 | 0 | 6.78 | 4.52 | 6 | 6.4 | 4.51 | 5 | 6.83 | 4.54 | 6 | |
0.05 | 6.77 | 4.52 | 6 | 6.42 | 4.56 | 5 | 6.81 | 4.55 | 6 | ||
0.1 | 6.71 | 4.46 | 6 | 6.27 | 4.43 | 5 | 6.74 | 4.5 | 6 | ||
0.25 | 6.23 | 3.99 | 5 | 5.89 | 4.05 | 5 | 6.25 | 4 | 5 | ||
0.5 | 4.96 | 2.84 | 4 | 4.8 | 2.94 | 4 | 4.98 | 2.92 | 4 | ||
0.75 | 3.8 | 1.91 | 4 | 3.78 | 1.93 | 3 | 3.81 | 1.99 | 3 | ||
1 | 2.91 | 1.27 | 3 | 2.97 | 1.31 | 3 | 2.97 | 1.37 | 3 | ||
1.5 | 1.97 | 0.62 | 2 | 1.99 | 0.68 | 2 | 2 | 0.78 | 2 | ||
2 | 1.5 | 0.31 | 2 | 1.5 | 0.38 | 2 | 1.51 | 0.57 | 1 | ||
2 | 0 | 2.82 | 1.24 | 3 | 2.8 | 1.43 | 3 | 2.83 | 1.45 | 3 | |
0.05 | 2.79 | 1.08 | 3 | 2.79 | 1.4 | 3 | 2.81 | 1.45 | 2 | ||
0.1 | 2.76 | 1.19 | 3 | 2.79 | 1.37 | 3 | 2.83 | 1.44 | 3 | ||
0.25 | 2.64 | 0.72 | 3 | 2.75 | 1.33 | 2 | 2.77 | 1.41 | 2 | ||
0.5 | 2.54 | 1.09 | 2 | 2.6 | 1.26 | 2 | 2.63 | 1.31 | 2 | ||
0.75 | 2.36 | 0.79 | 2 | 2.39 | 1.04 | 2 | 2.42 | 1.15 | 2 | ||
1 | 2.15 | 0.9 | 2 | 2.16 | 0.84 | 2 | 2.22 | 1.02 | 2 | ||
1.5 | 1.76 | 0.58 | 2 | 1.78 | 0.61 | 2 | 1.81 | 0.78 | 2 | ||
2 | 1.44 | 0.41 | 2 | 1.45 | 0.48 | 2 | 1.47 | 0.6 | 1 | ||
2.5 | 0 | 1.67 | 0.45 | 2 | 1.89 | 0.53 | 2 | 1.91 | 0.89 | 2 | |
0.05 | 1.88 | 0.48 | 2 | 1.88 | 0.74 | 2 | 1.9 | 0.89 | 2 | ||
0.1 | 1.67 | 0.81 | 2 | 1.88 | 0.86 | 2 | 1.9 | 0.89 | 2 | ||
0.25 | 1.74 | 0.87 | 2 | 1.8 | 0.74 | 2 | 1.88 | 0.88 | 2 | ||
0.5 | 1.75 | 0.85 | 2 | 1.8 | 0.83 | 2 | 1.85 | 0.86 | 2 | ||
0.75 | 1.72 | 0.73 | 2 | 1.5 | 0.7 | 2 | 1.78 | 0.82 | 2 | ||
1 | 1.68 | 0.75 | 2 | 1.5 | 0.7 | 2 | 1.71 | 0.77 | 2 | ||
1.5 | 1.5 | 0.61 | 2 | 1.25 | 0.65 | 2 | 1.54 | 0.66 | 1 | ||
2 | 1.35 | 0.35 | 2 | 1.33 | 0.63 | 2 | 1.37 | 0.55 | 1 | ||
3 | 0 | 1.5 | 0.45 | 2 | 1.5 | 0.64 | 2 | 1.51 | 0.67 | 1 | |
0.05 | 1.5 | 0.61 | 2 | 1.49 | 0.62 | 2 | 1.5 | 0.66 | 1 | ||
0.1 | 1.48 | 0.5 | 2 | 1.33 | 0.63 | 2 | 1.5 | 0.66 | 1 | ||
0.25 | 1.47 | 0.54 | 2 | 1.33 | 0.61 | 2 | 1.5 | 0.66 | 1 | ||
0.5 | 1.46 | 0.58 | 2 | 1.4 | 0.6 | 1 | 1.49 | 0.65 | 1 | ||
0.75 | 1.41 | 0.57 | 2 | 1.42 | 0.61 | 2 | 1.46 | 0.63 | 1 | ||
1 | 1.4 | 0.54 | 2 | 1.33 | 0.58 | 2 | 1.42 | 0.6 | 1 | ||
1.5 | 1.31 | 0.52 | 2 | 1.25 | 0.53 | 2 | 1.34 | 0.55 | 1 | ||
2 | 1.21 | 0.46 | 2 | 1 | 0.69 | 1 | 1.26 | 0.48 | 1 |