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Cerrena [4.2K]
3 years ago
5

PLEASE HELP ! I WILL REWARD BRAINLIEST !!

Mathematics
1 answer:
Zarrin [17]3 years ago
7 0
Every fifth student = systematic
5 random students = random
used the only ones that were = voluntary
survey to different grades = stratified 
first 10 students she saw = Convenience  <span />
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