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History, 20.07.2021 03:40 ryevins3

Câu hỏi tình huống: Trong một cuộc điều tra chọn mẫu, theo danh sách chọn mẫu, người thu thập dữ liệu phải phỏng vấn sinh kế của hộ A. Nhưng hộ A đi vắng, hộ B là hàng xóm (không có trong danh sách mẫu) sẵn sàng cung cấp dữ liệu sinh kế của gia đình mình (hộ B). Người thu thập dữ liệu nên chờ hộ A về phỏng vấn hay phỏng vấn hộ B? Tại sao?

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Câu hỏi tình huống: Trong một cuộc điều tra chọn mẫu, theo danh sách chọn mẫu, người thu thập dữ liệ...

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