编号数据编号数值平均值10.017平均值0.02110.200
20.02120.222相对偏差30.016标准偏差0.0043
40.021
50.024L=4.6σ0.02020个空白用
60.016
70.016L=3.143σ0.01357个空白用
80.025
90.014变异系数20.60%
100.016
110.024L=St(n-1,0.99)0.012
120.019
130.021UCL(上控线）0.034
140.027
150.025UWL(上警限）0.029
160.016
170.022LWL(下警限）0.012
180.027
190.024LCL（下控线）0.008
200.026
0.2110
-5.21%