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Evaluating Solution Correctness
Grade Level
Computer Science
HSCS.009 Evaluating Solution Correctness
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A music recommender requirement says users should receive at least five relevant songs and no songs marked as explicit for under-13 profiles. Which evidence is strongest?
A
A stratified test set verifies relevance labels and explicit-content filters for under-13, teen, and adult profiles, including profiles with fewer than five safe relevant songs.
B
A latency test shows recommendations appear within one second.
C
A demo shows one adult profile receives ten recommendations.
D
A popularity report shows recommended songs are often streamed by many users.
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