Listening Quiz: Làm Rõ Phương Pháp Lấy Mẫu – Easy Level

1. What are Mark and Linda mainly discussing?
2. How many people did Mark and Linda say they selected from the group?
3. What sampling method did Mark and Linda use?
4. Why does Linda suggest they mention that the selection was fair and unbiased?
5. What can be inferred about Mark’s response letter?

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