月份 数量/台 品牌 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
A | 35 | 55 | 70 | 82 | 75 | 78 | 63 | 54 | 50 | 62 | 45 | 40 |
B | 30 | 50 | 62 | 68 | 60 | 55 | 60 | 45 | 65 | 60 | 38 | 30 |
(2)哪种品牌电冰箱全年销售量最高?
(3)如果你是商城经理,从统计图中能得到那些信息?它能对你有什么帮助?
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2