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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.

题目

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.

相似考题

1.Parametric cost estimating involvesA.using the WBS to do bottom up estimatesB.defining the perimeters of the life-cycleC.calculating the individual estimates of work packagesD.using a statistical model to estimate costsE.A and C

2.A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).A . ParametricB . Definitive.C . BudgetD . Bottom up.E . Top down.

3.The three most common types of project cost estimates are:A . Order of magnitude, parametric, and budget.B . Parametric, definitive and top down.C . Order of magnitude, definitive and bottom up.D . Order of magnitude, budget and definitive.E . Analogy, parametric and top down.

4.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.

参考答案和解析
正确答案：D
更多“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.”相关问题

  • 第1题：

    140 The three most common types of project cost estimates are:

    A. Order of magnitude, parametric, and budget.

    B. Parametric, definitive and top down.

    C. Order of magnitude, definitive and bottom up.

    D. Order of magnitude, budget and definitive.

    E. Analogy, parametric and top down


    正确答案：D

  • 第2题：

    177 A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).

    A. Parametric

    B. Definitive.

    C. Budget

    D. Bottom up. E

    . Top down


    正确答案：C

  • 第3题：

    166 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


    正确答案：B

  • 第4题：

    59 A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).

    A. Parametric

    B. Definitive.

    C. Budget

    D. Bottom up.

    E. Top down


    正确答案：C

  • 第5题：

    三个最常用的项目成本估算模式是（ ）

    A．数学模拟order of magnitude参数法parametric及预算budget

    B．参数法parametric确定的definitive及自上而下法top down

    C．数学模拟order of magnitude确定的definitive及自下而上法bottom up

    D．数学模拟order of magnitude预算budget及确定性的definitive


    正确答案：D

  • 第6题：

    栈(Stack)是限定仅在(18)进入插入或删除操作的线性表。对栈来说，表尾端称为(18)；表头端称为(18)。

    A．表头 栈顶(top)，栈底(bottom)

    B．表头，栈底(bottom)栈顶(top)

    C．表尾，栈顶(top)栈底(bottom)

    D．表尾，栈底(bottom)栈顶(top)


    正确答案：C
    解析：此题考察对栈(Stack)定义的理解。

  • 第7题：

    A term applied to the bottom shell plating in a double-bottom ship is ______．

    A.bottom floor

    B.outer bottom

    C.shear plating

    D.tank top


    正确答案：B

  • 第8题：

    Frames to which the tank top and bottom shell are fastened are called ______.

    A.intercostals

    B.stringers

    C.tank top supports

    D.floors


    正确答案：D
    固定在舱顶和船底间的肋骨架构叫做肋板。

  • 第9题：

    （)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

    答案：A
    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。

  • 第10题：

    阻焊层一般由阻焊剂构成，阻焊层包括（）层。

    • A、Top Paste
    • B、Bottom Paste
    • C、Top Solder
    • D、Bottom Solder

    正确答案:C,D

  • 第11题：

    在VRP中，PQ的各队列的缺省长度为（）。

    • A、top－20middle－40normal－60bottom－80
    • B、top－20middle－20normal－20bottom－20
    • C、top－10middle－20normal－40bottom－80
    • D、top－80middle－60normal－40bottom－20

    正确答案:A

  • 第12题：

    单选题
    Frames to which the tank top and bottom shell are fastened are called（）.
    A

    floors

    B

    intercostals

    C

    stringers

    D

    tank top supports


    正确答案： D
    解析： 暂无解析

  • 第13题：

    168 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


    正确答案：D

  • 第14题：

    84 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.


    正确答案：B

  • 第15题：

    50 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.


    正确答案：D

  • 第16题：

    19 Parametric cost estimating involves

    A. using the WBS to do bottom up estimates

    B. defining the perimeters of the life-cycle

    C. calculating the individual estimates of work packages

    D. using a statistical model to estimate costs

    E. A and C


    正确答案：D

  • 第17题：

    Approaches towards reading and listening are __________.

    A.the bottom-up model and the top-down model

    B.the bottom-up model and the interactive model

    C.the bottom-up model

    D.the top-down model and the interactive model


    参考答案：C

  • 第18题：

    在VRP中,PQ的各队列的缺省长度为()。

    A.top－20middle－40normal－60bottom－80

    B.top－20middle－20normal－20bottom－20

    C.top－10middle－20normal－40bottom－80

    D.top－80middle－60normal－40bottom－20


    参考答案：A

  • 第19题：

    Frames to which the tank top and bottom shell are fastened are called ______．

    A.floors

    B.intercostals

    C.stringers

    D.tank top supports


    正确答案：A

  • 第20题：

    （ ）Estimating current project costs by analogy with similar projects。
    （ ）是以类似的项目进行类比估计当期项目的费用。

    A.Top-down estimating
    自上而下估算法
    B.Parametric model method
    参数模型法
    C.Bottom-up estimation metho
    从下向上的估计法
    D.Computing Tool Aided Method
    计算工具辅助的方法

    答案：A
    解析：
    “自上而下估算法”。这种方法的基本操作步骤是：（1）监理项目组的高层次管理人员收集以往类似项目的有关历史资料；（2）会同有关成本方面的专家对当前项目的总成本进行估算；（3）将估算结果按照项目工作分解结构图的层次结构传递给下层的项目监理人员，在此基础上，他们对自己所负责的工作和活动的成本进行估计；（4）继续向下一层监理人员传递估计信息。从步骤可以看出，自上而下估算法，是依据类似项目，进行估算当期项目的费用。

  • 第21题：

    在HTML中，盒子模型中元素实际占位的高度应该为（）。

    • A、height属性+padding-top+padding-bottom
    • B、height属性+padding-top+padding-bottom+border-top+border-bottom
    • C、height属性+margin-top+margin-bottom+border-top+border-bottom
    • D、height属性+padding-top+padding-bottom+border-top+border-bottom+margin-top+margin-bottom

    正确答案:B

  • 第22题：

    焊锡膏层是为了便于贴片元器件的安装。下面（）属于焊锡膏层。

    • A、Top Paste
    • B、Top Solder
    • C、Bottom Overlay
    • D、Bottom Solder

    正确答案:A

  • 第23题：

    单选题
    A term applied to the bottom shell plating in a double-bottom ship is（）.
    A

    bottom floor

    B

    outer bottom

    C

    shear plating

    D

    tank top


    正确答案： C
    解析： 暂无解析

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