特性:量具名称:数显高度尺评价人:量具号:10△12日期量具规格:0-300;0.01特性12345基准值20.66789.526 120.148 150.026181.659120.6989.58120.24150.07181.60220.5989.56120.17150.04181.76320.6189.63120.22150.06181.70420.7689.60120.26150.04181.59520.7389.57120.11150.10181.60620.6289.52120.19150.12181.72720.7289.52120.10150.02181.74820.6889.49120.15150.08181.69920.6489.50120.18150.01181.591020.7089.54120.22150.06181.741120.6889.52120.19150.08181.801220.7089.54120.20150.13181.70特性12345基准值20.66789.526 120.148 150.026181.65910.020.050.090.04-0.062-0.080.030.020.010.103-0.060.100.070.030.0440.090.070.110.01-0.0750.060.04-0.040.07-0.066-0.05-0.010.040.090.0670.05-0.01-0.05-0.010.0880.01-0.040.000.050.039-0.03-0.030.03-0.02-0.07100.030.010.070.030.08110.01-0.010.040.050.14120.030.010.050.100.04偏倚均值0.00967 0.021500.03783 0.041500.02683最佳拟合直线: 其中: = 基准值 = 偏倚平均值斜率:0.00015线性分析高度规格:20.667/89.526/120.148/150.026/181.659m m试验次数偏倚baxyii)(2211xxgmyxgmxyaixiyx020.66789.526120.148150.026181.659低值-0.0317648-0.0212-0.01650128-0.01191705-0.00706355高值0.058547070.06911220.0738105920.0783948190.083248319y0.013391130.02395630.0286546560.0332388840.0380923830.002271128低值:高值:斜率:0.00015截距:0.01022对于给定的X0,α 水平置信带是:-0.1-0.0500.050.10.150.220.66789.526120.148150.026181.659偏倚0)(2211xxgmyxgmx yaxayb22gmabSyxyyiiiiSabxxxxgmtxigm2021212/1,20Sabxxxxgmtxigm2021212/1,20分析:偏倚=0完全在拟合线置信带以内,所以测量系统线性可被接受。2003.10.10 = 偏倚平均值