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In which of the following cost estimating techniques are statistics models used:A . nonparametric cost estimatingB . parametric cost estimatingC . life cycle cost estimatingD . bottom-up estimatingE . All of the above.

题目

In which of the following cost estimating techniques are statistics models used:

A . nonparametric cost estimating

B . parametric cost estimating

C . life cycle cost estimating

D . bottom-up estimating

E . All of the above.

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参考答案和解析
正确答案：B
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