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Social Studies, 16.09.2021 08:30 lucypackham9
Cần chọn mẫu có kích cỡ là 200 sinh viên trong 5000sinh viên của 1 trường theo tiêu chí
1. hoàn cảnh xuất thân ( gia đình tri thức và gia đình công nhân )
2.trình độ học lực ( khá . giỏi , trung bình )
Hãy sử dụng phương pháp chọn mẫu phân tầng để chọn được mẫu theo yêu cầu
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Answers: 3
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Cần chọn mẫu có kích cỡ là 200 sinh viên trong 5000sinh viên của 1 trường theo tiêu chí
1. hoàn cả...
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