问题
单项选择题 A1型题
参数是指（）
A.样本的总和
B.样本的统计指标
C.总体的统计指标
D.参与个体数
E.总体中研究对象的总和
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
参数是指（）
A.样本的总和
B.样本的统计指标
C.总体的统计指标
D.参与个体数
E.总体中研究对象的总和
参考答案：C
| 读下面的对话，完成表格。 | ||||||||||||
| Sam: What does your father do? Amy: He is a math teacher. Sam: Where does he work? Amy: He works in a school. Sam: How does he go to work? Amy: He goes to work by car. What about your father? Sam: My father is a doctor. He works in a hospital. He goes to work by bike.
|