Mathematics, 16.06.2021 14:00 itaheart101

Hai nhóm sinh viên cùng học môn thống kê và kết quả thi kết thúc học phần như sau:+ Nhóm A: 1164;73, 2;10,9nxs===+ Nhóm B: 2268;76, 6;11, 2nys===Với mức ý nghĩa 5% có thểcho rằng kết quảthi trung bình của nhóm B cao hơn nhóm A hay không?

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Hai nhóm sinh viên cùng học môn thống kê và kết quả thi kết thúc học phần như sau:+ Nhóm A: 1164;73,...

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