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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