年份 项目 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
电 脑 | 15 | 18 | 22 | 25 | 40 | 45 |
汽 车 | 10 | 15 | 20 | 25 | 30 | 40 |
(1)根据表中的数据,绘制折线统计图.
(2)拥有电脑的户数哪两年增长幅度最大?
(3)拥有汽车的户数哪两年增长幅度最大?
(4)从统计数据中,你还想到了什么?
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