计量控制图系数表

子组大小n23456710111213141516171819202122232425均值控制图控制限系数中心线系数标准差控制图控制限系数极差控制图中心线系数控制限系数中位数控制图控制限系数A2.1211.7321.5001.3421.2251.1341.0611.0000.9490.9050.8660.8320.8020.7750.7500.7280.7070.6880.6710.6550.00.6260.6120.600A21.8801.0230.7290.5770.4830.4190.3730.3370.3080.2850.2660.2490.2350.2230.2120.2030.1940.1870.1800.1730.1670.1620.1570.153A32.6591.91.6281.4271.2871.1821.0991.0320.9750.9270.8860.8500.8170.70.7630.7390.7180.6980.6800.6630.70.6330.6190.606C40.79790.88620.92130.94000.95150.95940.96500.96930.97270.970.97760.97940.98100.98230.98350.98450.980.98620.98690.98760.98820.98870.920.961/C41.25331.12841.081.06381.05101.04231.03631.03171.02811.02521.02291.02101.01941.01801.01681.01571.01481.01401.01331.01261.01191.01141.01091.0105B300000.0300.1180.1850.2390.2840.3210.30.3820.4060.4280.4480.4660.4820.4970.5100.5230.5340.50.5550.565B43.2672.5682.2662.01.9701.8821.8151.7611.7161.6791.61.1621.5941.5721.5521.5341.5181.5031.4901.4771.4661.4551.4451.435B500000.0290.1130.1790.2320.2760.3130.3460.3740.3990.4210.4400.4580.4750.4900.5040.5160.5280.5390.90.559B62.6062.2762.0881.91.8741.8061.7511.7071.6691.6371.6101.5851.5631.41.5261.5111.4961.4831.4701.4591.4481.4381.4291.420d21.1281.6932.0592.3262.5342.7042.8472.9703.0783.1733.2583.3363.4073.4723.5323.5883.03.63.7353.7783.8193.8583.53.9311/d20.88650.59070.48570.42990.39460.36980.35120.33670.32490.31520.30690.29980.29350.28800.28310.27870.27470.27110.26770.270.26180.25920.25670.24d30.8530.8880.8800.80.8480.8330.8200.8080.7970.7870.7780.7700.7630.7560.7500.7440.7390.7340.7290.7240.7200.7160.7120.708D1000000.2040.3880.70.6870.8110.9221.0251.1181.2031.2821.3561.4241.4871.91.6051.6591.7101.7591.806D23.68.3584.6984.9195.0785.2045.3065.3935.4695.5355.5945.75.6965.7415.7825.8205.8565.15.9215.9515.9796.0066.0316.056D3000000.0760.1360.1840.2230.2560.2830.3070.3280.3470.3630.3780.3910.4030.4150.4250.4340.4430.4510.459D43.2672.5742.2822.1142.0041.9241.81.8161.7771.7441.7171.6931.6721.6531.6371.6221.6081.5971.5851.5751.5661.5571.81.1m31.0001.1601.0921.1981.1351.2141.1601.2231.176m3A21.8801.1870.7960.6910.80.5090.4330.4120.362