ITPEC IP April 2018 Question 53

Test coverage — it shows how thoroughly a deliverable has been tested, which bears directly on its quality.

Test coverage is the proportion of the test target that the tests have exercised: statements, branches, or requirements. Low coverage means parts of the program were never tested and may hide defects. With defect counts and review results, it is used to judge the quality of deliverables.

Answer (b)

Why not others:

• •(a) — the external procurement ratio shows how much of the work is bought from outside, a sourcing figure
• •(c) — the total number of staff assigned is a measure of resources
• •(d) — the number of days spent is a measure of schedule or effort

Key rule: Quality indicators describe the product or how well it was verified (coverage, defect density, review findings); staff, days and procurement describe how the project was run.

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