Istqb Certified Tester Foundation Level CTFL · Free Practice Question Medium
Question 48
You're tasked with estimating the test effort needed for an upcoming project. Your team emphasizes the importance of providing stakeholders with transparent estimates, acknowledging that they're based on assumptions and susceptible to error. Understanding that estimation accuracy tends to decrease for larger tasks, you decide to decompose the project into smaller tasks for better estimation.
In your estimation process, which technique involves gathering figures from previous projects within your organization?
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A
Extrapolation.
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B
Wideband Delphi.
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C
Estimation based on ratios.
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D
Planning Poker.
Reveal correct answer
Correct answer: C
Explanation
Estimation based on ratios involves using data from previous, similar projects to estimate the effort required for the current project.
By examining metrics like the time or resources spent on previous tasks, you can develop ratios that help estimate effort for comparable tasks in the new project.
Discussion
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