Describe Phase Estimating

question 51

Essay

Describe phase estimating. When should it be used and how is it different from all other top-down and bottom-up methods of estimating?

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Definitions:

Nominal Data

Data classified into categories that cannot be ordered or ranked; purely qualitative.

Interval Data

A type of data measurement where the intervals between values are meaningful, allowing for arithmetic operations to be performed.

Ordinal Data

Data that is categorized into ordered levels, groups, or rankings, but the intervals between the ranks are not necessarily equal.

Interval Data

A type of data that consists of numerical values where the order and the exact differences between the values are meaningful.