A. Data collected through secondary sources like journals and reports
B. Data that has been analyzed and interpreted by another researcher
C. Data obtained from previously published sources
D. Data collected by an investigator for the first time for a specific purpose
Answer: Option D
Solution (By JKSSB Mock Tests)
Primary data is original data collected firsthand by the investigator specifically for the current research purpose, distinguishing it from secondary data which is pre-existing.
Explanation:
NMR = (Deaths under 28 days / Live births) × 1,000. It isolates early infancy mortality, often reflecting quality of obstetric and immediate newborn care.
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