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ISTQB Exam ATM Topic 1 Question 57 Discussion

Actual exam question for ISTQB's ATM exam
Question #: 57
Topic #: 1
[All ATM Questions]

Based on the historical data of 5 past and similar projects, you have calculated these average numbers of defects detected in system testing.

- For each 10000 LOC (lines of code), 200 defects

- For each person-month of development team effort, 49 defects

You want to use this information to perform estimation for a new project.

The project manager tells you that he/she has estimated 20000 new LOC for this new project.

Four developers work for four months on this project before system testing.

During system testing, 797 defects are discovered.

Assume that the system test of this new project is using the same amount of work as spent in the past projects.

Based on this information only, which of the following statement is certainly true about this project? K3 3 credits

Show Suggested Answer Hide Answer
Suggested Answer: C

by Louvenia at Sep 16, 2024, 05:41 AM

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Terrilyn
1 months ago
Haha, looks like the project manager needs to work on their estimation skills. Option C is definitely the way to go here.
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Micaela
1 months ago
I'm not sure about the proportionality between defects and development team effort. Option B doesn't seem to be a certainty based on the given information.
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Delisa
2 days ago
B) The number of defects found during the system test phase on the new project is approximately proportional to the development team effort
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Sharen
1 months ago
A) The code for the new project contains a higher defect density than the code of the past projects
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Louvenia
1 months ago
Option D seems to be the most accurate statement. The higher number of defects found during system testing suggests a higher defect density compared to past projects.
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Patti
2 months ago
But the number of defects found during system testing is not proportional to the development team effort.
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King
2 months ago
The project manager seems to have underestimated the LOC for this new project. Option C looks correct based on the information provided.
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Melita
5 hours ago
797 defects were found during system testing, which is quite high.
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Fletcher
27 days ago
That means the project manager did underestimate the LOC for this project.
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Isabelle
28 days ago
Option C) 40000 LOC have been delivered to system testing (against the 20000 LOC planned by the project manager)
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Nickole
2 months ago
I disagree, I believe the answer is B.
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Patti
2 months ago
I think the answer is D.
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