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To score the AP Statistics Exam ETS hires Exam Readers, Table Leaders, and other Leadership. Each reading room consists of 16 Exam Readers and 2 Table Leaders. There are 100 reading rooms. The 18 members of Other Leadership work together in a room. a. Describe how to select a stratified random sample of 36 people hired by ETS to score the AP Statistics Exams. Explain your choice of strata.

b. Describe how to select a cluster sample of 36 people hired by Ets to score the AP Statistics Exams. Explain your choice of cluster.

c. Explain a benefit of using a stratified random sample and a benefit of using a cluster random samplein this context.

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