hannahbaker2 hannahbaker2

26-05-2017
Mathematics

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PLEASE HELP ! I WILL REWARD BRAINLIEST !!

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GhostieCupcakes GhostieCupcakes

31-05-2017

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

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