Home › UGC NET › datainterpretation › Data Interpretation — Data Cleaning › Before analysis, raw data should be:
Before analysis, raw data should be:
ADiscarded
BEncrypted
CDoubled
DCleaned for errors and missing values
Answer & Solution
Correct answer: D. Cleaned for errors and missing values
1. Real-world data often has errors, missing values, duplicates.
2. Cleaning prepares data for reliable analysis.
3. Hence option B.
_Source: UGC NET Paper 1 Study Book (ugc-net.com class notes) — Data Quality_