一组数据中，中位数（）平均数． A．一定小于 B．一定大_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题填空题

一组数据中，中位数（　　）平均数．

A．一定小于

B．一定大于

C．一定等于

D．可能等于

答案

一组数据的平均数和中位数有可能相等，

还有可能中位数大于或小于平均数．

故选：D．

补全对话，情景问答

从方框中选择适当的句子完成对话，有两个多余选项。

A.  My favorite subject is history.
B.  When do you have history?
C.  I usually get up at six-thirty.
D.  Why do you like history?
E.  Who is your history teacher?
F.  When is your birthday?
G.  What time do you usually get to school?

A: Hi, what time do you usually get up?
B: __1__
A: __2__
B: I usually gel to school at seven-thiny.
A: What's your favorite subject?
B: __3__
A: __4__
B: Because it's very interesting.
A: __5__
B: I have history on Tuesday ancl Thursday.

问答题简答题

简述乘坐立井罐笼安全注意事项。