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2. Estimator - Wikipedia

   en.wikipedia.org/wiki/Estimator

   Estimator. In statistics, an estimator is a rule for calculating an estimate of a given quantity based on observed data: thus the rule (the estimator), the quantity of interest (the estimand) and its result (the estimate) are distinguished. [1] For example, the sample mean is a commonly used estimator of the population mean.

3. Cost estimate - Wikipedia

   en.wikipedia.org/wiki/Cost_estimate

   Cost estimate. A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost ...

4. Building estimator - Wikipedia

   en.wikipedia.org/wiki/Building_estimator

   A building estimator or cost estimator is an individual that quantifies the materials, labor, and equipment needed to complete a construction project. Building cost estimating can concern diverse forms of construction from residential properties to hi-rise and civil works. Both estimators and quantity surveyors must have a background education ...

5. Estimation - Wikipedia

   en.wikipedia.org/wiki/Estimation

   Estimation (or estimating) is the process of finding an estimate or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable. The value is nonetheless usable because it is derived from the best information available. [1] Typically, estimation involves "using the value of a ...

6. Cost engineering - Wikipedia

   en.wikipedia.org/wiki/Cost_engineering

   Cost engineering is "the engineering practice devoted to the management of project cost, involving such activities as estimating, cost control, cost forecasting, investment appraisal and risk analysis". [1] ". Cost Engineers budget, plan and monitor investment projects. They seek the optimum balance between cost, quality and time requirements."

7. Quantity surveyor - Wikipedia

   en.wikipedia.org/wiki/Quantity_surveyor

   A quantity surveyor (QS) is a construction industry professional with expert knowledge on construction costs and contracts.Qualified professional quantity surveyors can be known as Chartered Surveyors (Members and Fellows of RICS) in the UK and Certified Quantity Surveyors (a designation of the Australian Institute of Quantity Surveyors) in Australia and other countries.