配套习题- 解读众数与中位数 -【青果学院】

1/5单选题

难度：

1.已知一组从小到大的数据：0，4，x，10的中位数是5，则x=（　　）

A	5
B	6
C	7
D	8

正确答案：Qg==

PGRpdj7op6PvvJrkuIDnu4Tku47lsI/liLDlpKfnmoTmlbDmja7vvJow77yMNO+8jHjvvIwxMOeahOS4reS9jeaVsOaYrzXvvIw8YnI+5YiZ77yINCt477yJw7cyPTXvvIwgeD0277ybPC9kaXY+

2/5单选题

难度：

2.

在一次环保知识问答中，一组学生成绩统计如表：则该组学生成绩的中位数是（　）

A	70
B	75
C	80
D	85

正确答案：Qw==

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

3/5单选题

难度：

3.下列说法错误的是（　　）

A	一组数据不一定总有众数
B	众数是出现频数最多的数据值
C	当有多个数据出现的频数并列最多时，则这多个数据都是众数
D	众数不一定是整数

正确答案：QQ==

PGRpdj7op6PvvJrkvJfmlbDmjIfkuIDnu4TmlbDmja7kuK3lh7rnjrDmrKHmlbDmnIDlpJrnmoTmlbDmja7vvIzkvJfmlbDkuZ/lj6/ku6XmmK/lsI/mlbDmiJbliIbmlbDvvJvlpoLmnpzkuIDnu4TmlbDmja7kuK3vvIzmr4/kuKrmlbDmja7lh7rnjrDnmoTmrKHmlbDpg73nm7jlkIzvvIzliJnor6Xnu4TmlbDmja7kuK3lsLHpg73mmK/kvJfmlbA8L2Rpdj4=

4/5单选题

难度：

4.

如图是以频数分布折线图，则30名学生脉搏跳动次数的中位数为（　　）

A	10
B	80
C	6
D	75

正确答案：Qg==

PGRpdj7op6PvvJrmnIkzMOS4quaVsO+8jOWPluesrDE144CBMTbkvY3nmoTlubPlnYfmlbDjgILnlLHlm77nn6XvvIw0KzY9MTAmbHQ7MTXvvIw0KzYrMTE9MjEmZ3Q7MTbvvIzmiYDku6XnrKwxNeOAgTE25L2N6YO95pivODDvvIzliJnkuK3kvY3mlbDkuLo8aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMDAvNUQvckJBQ0ZGTU1WSUxDVEhhcEFBQUNKajV1N1A4MjA1LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8wMC81RC9yQkFDRkZNTVZJTENUSGFwQUFBQ0pqNXU3UDgyMDUucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iMTAxIj48L2Rpdj4=

5/5单选题

难度：

5.一组数据由5个整数组成，中位数是4，惟一的众数是6，那么这5个整数的和最大只可能是（　　）

A	19
B	20
C	21
D	22

正确答案：Qw==

PGRpdj7op6PvvJrlj6/ku6XmjqjnkIblh7rvvIzov5k15Liq5pW05pWw5Lit5pyJ5Lik5LiqNu+8jOS4gOS4qjTvvIzlj6blpJbkuKTkuKrmlbTmlbDogq/lrprmr5Q06KaB5bCP77yM5LiU5LiN55u4562J77yM5omA5Lul5Y+q5pyJ5YmN5Lik5Liq5pWw5Y+WMuWSjDPml7bvvIzov5k15Liq5pW05pWw55qE5ZKM5pyA5aSn77yM5Li6MjEuIDwvZGl2Pg==