Mathematics, 21.02.2021 02:40 milkshakegrande101

What survey type is "An examination of 9,000 nine and 10-year-old children reveals changes in the brain’s structure among youngsters whose mothers regularly drank caffeine while pregnant." A) Simple Random Sample (SRS)

B) Stratified Random Sample

C) Systematic Sample

D) Cluster Sample

E) Convenience sample

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