PMP考试

根据网考网考试中心的统计分析，以下试题在2015-11-3日PMP考试选择题习题练习中，答错率较高，为：65%
【单选题】statistical cost estimating techniques (based upon history), are called _____ estimates and are a _____ approach.
a. definitive, bottom up.
b. analogy, top down.
c. parametric, bottom up.
d. parametric, top down.
e. analogy, bottom up.

网考网参考答案：D，答错率：65%
试题解析：点击查看解析