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

AThe code for the new project contains a higher defect density than the code of the past projects

BThe number of defects found during the system test phase on the new project is approximately proportional to the development team effort

C40000 LOC have been delivered to system testing (against the 20000 LOC planned by the project manager)

DMore LOC than planned have been delivered to system testing with a higher defect density than the past projects

Show Suggested Answer

Suggested Answer: C

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

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Terrilyn

2 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

2 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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Audria

6 days ago

C) 40000 LOC have been delivered to system testing (against the 20000 LOC planned by the project manager)

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Delisa

10 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

2 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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