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[求助] 怎样通过SPSS软件得出毒力回归方程

怎样通过SPSS软件得出毒力回归方程?

如何将死亡率转换成机率值(y)、药剂浓度(g/mL)转换成以1O为底的对数值(X),做回归直线,求出毒力回归方程(y=a+bx)、相关系数(r)、杀虫剂对害虫的致死中浓度(LC50 )、95%置信限。

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