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Mathematics, 27.01.2021 18:30 sssavannahh

Strata or Cluster: You are surveying 20 streets in a neighborhood. Each street has 20 houses on it and each street has identical address numbers. For example, each street has address numbers being 100110021003 1019 There are two ways being proposed to survey these streets. Method One would randomly select 5 houses from each street to survey . Method Two would randomly select 5 unique numbers between 1001 to 1020 and choose all houses with that number Which of the following is the cluster?

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