Toán thực tế (046)

Mười đội bóng
tham gia một giải bóng đá để tính điểm. Mỗi đội đều phải đá 1 trận với một đội
khác.

a) Hỏi có tất cả
bao nhiêu trận đấu trong toàn giải?

b) Số bàn thắng trong các trận đấu được ghi lại ở bảng
sau:

Hỏi có tất cả
bao nhiêu bàn thắng trong toàn giải? Bao nhiêu trận hòa không có bàn thắng?

c) Tính số bàn
thắng trung bình và mốt của dấu hiệu.

d) Vẽ biểu đồ đoạn thẳng.

Xem đáp án

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