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To determine her heart rate, Keri divides up her day into three parts: moming, afternoon, and evening She then measures her heart rate at 2 randomly selected times during each part of the day. What type of sampling is used?

A. Convenience
B. Simple random
C. Stratified
D. Systematic
E. Cluster

Answer :

lanayiabloody
Idk if I’m right but I think the answer is E

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