Cho bảng số liệu ghi lại điểm của 40 học sinh tron...
Câu hỏi: Cho bảng số liệu ghi lại điểm của 40 học sinh trong bài kiểm tra 1 tiết môn toán![](data:image/png;base64,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)
A. 6,1
B. 6,5
C. 6,7
D. 6,9
Câu hỏi trên thuộc đề trắc nghiệm
Trắc nghiệm Toán 10 Bài 3 Số trung bình cộng, số trung vị, mốt