Which of the Following Is True of Bottom-Up Estimates

question 101

Multiple Choice

Which of the following is true of bottom-up estimates?

• A)They are based on the actual cost of a previous, similar project. 
• B)They are also known as parametric estimating. 
• C)They are most accurate when they involve large, extensive work items. 
• D)They are time-intensive and expensive to develop.

---

Definitions:

Forced Expiration

The active process of exhaling air out of the lungs using the abdominal and other respiratory muscles, beyond normal passive breathing.

Unbiased Estimator

A statistical estimator that is expected to produce values close to the parameter it estimates without systematic error.

Expected Value

The long-run average value of repetitions of the same experiment or random trial.

Sample Statistic

A measure derived from a sample portion of a population, typically used to estimate the characteristics of the entire population.