试验号 反应温度x1反应时间x2反应物含量x3得率y
18313211.032861227.6238313316.44881338.5358610118.3368712311.7679112413.3588710119.07平均值86.37511.8752.37513.26125求和6919519106.09 L11L22L33L12L1347.87510.8757.875-5.6257.875
L23
6.375L1y-7.4336
1234
方程目标函数-2.647E-13-2.647E-13-1.634E-133.5527E-14
0
a=b1=b2=b3=
方程解-206.578-1.56802-5.77234.466152
y=-206.578-1.56802x1-5.7723x2+4.466152x3SUMMARY OUTPUT回归统计
Multiple R0.86913869R Square0.75540206Adjusted R 0.51080413标准误差3.19299244观测值7方差分析
df
回归分析残差总计
SSMSFSignificance F
394.458797731.486265923.0883420.189566330.585602310.195200756125.0444标准误差88.70626020.829978862.469099942.95974078
t Stat2.425783526-1.94615832-2.540089261.692342932
P-value0.0936830.1468240.0846730.189157
Lower 95%Upper 95%-67.1207497.4850947-4.256631.0260929-14.12951.586043739-4.4103214.42811252
Coefficients
Intercept215.182185
83-1.615270313-6.271734225.0088964
由t检验得到因素主次顺序为x2>x1>x3
例6-2实验方案及实验结果分析
试验号ABC乳化能力111110.81212220.49313330.36421230.37522310.47623120.58731320.64832130.91933210.98K11.661.822.32.26K21.423.691.841.71K32.531.921.471.64k10.553333330.606666670.7666666670.753333k20.473333331.230.6133333330.57k30.843333330.640.490.546667极差R1.111.770.830.62
A>B>C因素主次
A3B1C1优方案
L2y-25.57l3y-13.79lyy130.7340875
下限 95.0%-67.1207254-4.25663344-14.1295122-4.41031973上限 95.0%497.48509471.02609291.58604373914.42811252
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