选择题:直接用标准差比较两个平均数代表性大小的前提条件是两个被比较的平均数相等。A、正确B、错误

题目内容:
直接用标准差比较两个平均数代表性大小的前提条件是两个被比较的平均数相等。
A、正确
B、错误
参考答案:

The internet has in a sense (A. sunk; B. Shrunk) t

The internet has in a sense (A. sunk; B. Shrunk) the world.

查看答案

Which of the following is most probably the reason

Which of the following is most probably the reason of memory loss? AA. Age relat

查看答案

典型调查中典型单位的选取可以不遵循随机原则。A、正确B、错误

典型调查中典型单位的选取可以不遵循随机原则。A、正确B、错误

查看答案