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Question 14 - CBDA discussion

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The analytics team has been asked to provide an estimate of the number of customers they expect to have in 12 months. They debated how accurate that figure needs to be and determined that based on the availability of good data, they could predict within + or - 10%. This is an example of a:

A.
ROM estimate
Answers
A.
ROM estimate
B.
Delphi estimate
Answers
B.
Delphi estimate
C.
Parametric estimate
Answers
C.
Parametric estimate
D.
Definitive estimate
Answers
D.
Definitive estimate
Suggested answer: A

Explanation:

A ROM estimate is a rough order of magnitude estimate that provides a quick and approximate estimate of the cost, time, or effort required for a project or a task. A ROM estimate is based on expert opinion or experience from past projects, and it usually has a large range of variation, such as + or - 10%. A ROM estimate is useful when there is limited information or data available, or when a high-level estimate is needed for planning or budgeting purposes. However, a ROM estimate also has a high degree of uncertainty and variability, and it should be refined as more details become available12

Reference: 1: Project Estimation Techniques Business Analysts Should Know About 2: Estimation techniques for business analysts -- The Functional BA

asked 18/09/2024
Yan Wei
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