( ) is a tehnique for esti（2018年下半年信息系统项目管理师上午综合知识真题解析）
( ) is a technique for estimating the duration or cost of an activity or a project using historical data from a similar activity or project.
A. Analogous estimating
B. Parametric estimating
C. Three-Point estimating
D. Bottom-Up estimating
参考答案： A
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