单选题
estimating schedule activity costs involves developing an
______ of the cost of the resources needed to complete each schedule activity.
Cost estimating includes identifying and considering various costing
alternatives, for example, in most application areas, additional work during a
design phase is widely held to have the potential for reducing the cost of the
execution phase and product oprations. the cost estimating process considers
whether the expected savings can offset the cost of the additional design work,
cost estmates are generally expressed in units of ______ to facilitate
comparisons both within and across projects, the ______ describes the business
need, justification, requirements, and current boundaries for the project. It
provides important information about project requirements that is considered
during cost estimating.
单选题
The ______ technique involves using projecet characteristics in a
mathematical model to predict activity parameters, such as cost, budget, and
duration. Models can be simple or complex.