评分 | 9.1 | 9.4 | 9.3 | 9.5 | 9.4 | 9.3 | 9.8 | 9.5 | 9.4 | |
评委 | ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ | ⑩ |
以下描述错误的有( )
甲:众数有2个,则⑥号评委打的分数一定是9.3或9.5分
乙:小明的最终得分不可能高于9.47分
丙:无论⑥号评委打多少分,中位数一定是9.4
丁:无论⑥号评委打多少分,9.4一定是这组数据的众数
A.0 | B.1 | C.2 | D.3 |
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