MAS291_-_SU_2024_-_RE_2473.webp
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MAS291_-_SU_2024_-_RE_2473.webp

Kizspy | Question: 2
(Choose 1 answer)
Casualty data from the great flu epidemic of 1918 were collected for a study. This represents what type of study?
A. Observational study
B. An experiment.
C. Retrospective study.
D. None of them.

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