coolboyswag
coolboyswag coolboyswag
  • 21-05-2017
  • Mathematics
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What type of sampling is this: Group the students in a local college by year and then randomly select 15 students from each group

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narissadancer
narissadancer narissadancer
  • 21-05-2017
this is symestic random u dont know who will be in every group its random
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