All of the Following Problems Contribute to Difficulty in Estimating

question 20

Multiple Choice

All of the following problems contribute to difficulty in estimating activity durations accurately EXCEPT:

• A) merging - multiple predecessors
• B) omissions - leaving out key activities
• C) general uncertainty in the estimate
• D) poor vendor selection

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Definitions:

Distribution

The way in which values are spread or distributed across a range in a dataset.

Measure of Variability

A measure of variability is a summary statistic that represents the amount of dispersion in a dataset, examples include range, variance, and standard deviation.

Measure of Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, such as the mean, median, or mode.

Statistic

A numerical value that summarizes or describes an aspect of a sample.