皮皮学，免费搜题
登录
搜题
【单选题】
与概率抽样相比，非概率抽样的优点是( )。A.
样本统计量的分布是确定的
B.
可以利用样本的结果对总体相应的参数进行推断
C.
操作简单、成本低
D.
技术含量更高
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】As an example of how China's moving forward aggressively on this front, Li claimed that 60 million rural water users were supplied with clean drinking water in 2013...(Para. 3)
A.
In order to prove how China is making huge progress in this area, Li told me that 60 million rural water user were supplied with clean drinking water in 2013…
B.
In order to prove how China is doing best to guard against possible aggression, Li told me that 60 million rural water users were supplied with clean drinking water in 2013…
【单选题】As an example of how shortcut keys are assigned, for the menu item Group, the keyboard shortcut is Alt+G because ?is the ____ letter.
A.
italicized
B.
underlined
C.
capitalized
D.
all of the above
【单选题】As an example of how China is moving forward aggressively on this front, Li claimed that 60 million rural water users were supplied with clean drinking water in 2013?(Para. 3)
A.
In order to prove how China is making huge progress in this area, Li told me that 60 million rural water users were supplied with clean drinking water in 2013...
B.
In order to prove how China is doing its best to guard against possible aggression, Li told me that 60 million rural water users were supplied with clean drinking water in 2013...
相关题目：