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Câu 45: Trong mô hình hồi quy tuyến tính đơn, hệ số chặn bằng 0 cho biếtA. trung bình ảnh hưởng các biến khác không được đưa vào trong mô hình đến Y bằng 0.B. ngoài X, không có bất cứ biển nào khác tác động đến Y.C. Y có giá trị bằng 0 khi X bằng 0.D. X không ảnh hưởng đến Y.
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