There is a decreasing number in applying for American universities nowadays.
查看答案
The 72-year-old gentleman finally chose to learn Chinese.
A. 对
B. 错
SAT, the abbreviation for “Scholastic Aptitude Test”, refers to a test taken by high school students who want to go to a college or university in the US.
A. 对
B. 错
抽样误差的影响因素有
A. 被调查总体各单位标志值的差异程度
B. 抽取的调查个体的数目
C. 抽样调查的组织方式
D. 抽样时间
影响样本量大小的因素主要有( )
A. 总体的数目
B. 抽样误差
C. 资源条件
D. 抽样方法