首页/ 题库 / [单选题]在一个试验设计的分析问题中，建立响应变量的答案

在一个试验设计的分析问题中，建立响应变量与各因子及交互效应的回归方程可以有两种方法：一是对各因子的代码值（CodeUnits）建立回归方程；二是直接对各因子的原始值（UncodedUnits）建立回归方程。在判断各因子或交互作用是否影响显著时，要进行对各因子回归系数的显著性检验，可以使用这两种方法中的哪一种（）？

单选题
2021-12-27 18:00
A、两种方程检验效果都一样，用哪种都可以
B、只有用代码值（CodeUnits）建立的回归方程才准确；用原始值（UncodedUnits）建立的回归方程有时判断不一定准确
C、只有用原始值（UncodedUnits）建立的回归方程才准确；用代码值（CodeUnits）建立的回归方程有时判断不一定准确
D、根本用不着回归方程，ANOVA表中结果信息已经足够进行判断因子的显著性
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正确答案
C
试题解析
标签： 六西格玛管理 管理学 大学试题 管理类
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