男生 36 52 33 40 47 37 29 35 35 46 38 50 28 48 46 40 34 38 36 23 42 | 女生 45 57 39 44 47 49 28 37 37 41 50 49 37 38 40 42 40 53 26 43 38 |
四(1)班男、女生1分钟仰卧起坐的成绩统计表
(1)女生1分钟仰卧起坐在( )范围内的人数最多。
(2)( )生比( )生成绩好些。
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