线性 偏倚研究

线性 偏倚研究
线性 偏倚研究

零件12345

基准值54.2861.0033.0030.0015.00

154.2961.0633.1129.9615.13

254.3161.0833.0830.0415.08

354.2861.0533.0630.0115.10

454.2861.0833.1030.0615.13

554.2661.0633.1330.1615.15

654.2861.0533.1530.1015.11

754.3061.0833.0830.1215.12

854.3261.0632.9630.1315.10

954.3261.0533.0630.1515.10

1054.3261.0433.1030.1215.06

1154.3061.0633.0830.1415.12

1254.2861.0833.1030.1015.08零件均值54.3061.0633.0830.0915.11

基准值54.2561.0033.0030.0015.00

偏倚0.040.060.080.090.11

极差0.060.040.190.150.09

Y=b+ax

X=基准值

Y=偏倚

a=斜率

根据以上数据,得出 a=-0.000709

b=0.103

直线的拟合优度 R2=0.34

偏倚 =b+ax

=0.103-0.000709×(基准值)

线性 =斜率×(过程变差)

=0.000709×

1名评价人12次试验5个零件 过程变差=

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