标准差越大的意义,下列认识中错误的是:()。
A、观察个体之间变异越大
B、观察个体之间变异越小
C、样本的抽样误差可能越大
D、样本对总体的代表性可能越差
E、以上均不对
参考答案:A
At last Tom was able to ____ her to give up the foolish idea that she wanted to go there alone.
A.suggest
B.expect
C.advise
D.persuade
肾单位由肾小体、肾小管、肾小球、肾小囊四部分组成