mykamorrow
18.04.2020 •
Mathematics
To determine her breathing rate, Miranda divides up her day into three parts: morning, afternoon, and evening. She then measures her breathing rate at 4 randomly selected times during each part of the day. What type of sampling is used?
A. Simple random
B, Stratified
C. Systematic
D. Convenience
E. Cluster
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Ответ:
* edges of a shape are always same as vertices
9 edges = 9 vertices
Just asking, is it a 2D tree?