【判断题】抽样平均误差越大,样本的代表性越大。( )
【判断题】抽样平均误差越大, 样本的代表性就越大。
【简答题】This is the letter that Mr. White wrote before his death about his three books for children: Dear Reader: I receive many letters from children and can't answer them all -- there wouldn't be time enoug...
【单选题】“Port a bit sluggish” means that ________
A.
port rudder answers very well
B.
port rudder answers slow
C.
port ruder answers all right
D.
port rudder answers back
【判断题】抽样平均误差越大,样本的代表性就越大。( )
【单选题】the meeting room , he found all theparents a1ready there .
B.
. Stepping into ; toseat