（)is a technique for estimating the duration or cost of activity or a projecy using historical data orm a similar activity or project.A.Analogous estimatingB.Parametric estimatingC.Three-Point estmatingD.Bottom-Up estimating
（)is a technique for estimating the duration or cost of activity or a projecy using historical data orm a similar activity or project.
A.Analogous estimating
B.Parametric estimating
C.Three-Point estmating
D.Bottom-Up estimating
B.Parametric estimating
C.Three-Point estmating
D.Bottom-Up estimating
参考解析
解析：本题翻译：
()是一种使用来自类似活动或项目的历史数据来估计活动或项目的持续时间或成本的技术。
A.类比估计
B.参数估计
C.三点估算
D.底部估计
成本估算的方法中没有D选项，D选项属于迷惑选项。
参数估算是利用历史数据中的统计关系和其他变量来估算成本。
三点估算是利用三种估算值来界定活动成本。
()是一种使用来自类似活动或项目的历史数据来估计活动或项目的持续时间或成本的技术。
A.类比估计
B.参数估计
C.三点估算
D.底部估计
成本估算的方法中没有D选项，D选项属于迷惑选项。
参数估算是利用历史数据中的统计关系和其他变量来估算成本。
三点估算是利用三种估算值来界定活动成本。
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