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What problem does a missing value indicate in data?

Answer and explanation

Correct answer: Information is unavailable in a required data field of a record

A missing value means that a value in one or more data fields of a record has not been recorded, is unavailable, or is represented by a blank or special placeholder. Therefore, option A is correct. Duplicate records and incorrect units are separate data-quality problems, while option B describes complete data rather than missing data.

Related tags

Artificial IntelligenceClass 12Part B: Subject Specific SkillsUnit 2: Data Science MethodologyMissing ValuesData QualityData CleaningRecords

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