选择题:Where do people usually get their international dr

题目内容:
Where do people usually get their international driving license?



A)
They obtain it in their home country.
B)
They obtain it while they arrive in Japan.
C)
They obtain it in a third country.
D)
They can buy one instead.
参考答案:

“总数为N=500,样本容量是n=50,求出间隔500÷50=10,于是每隔10个抽取一个样本,连续

“总数为N=500,样本容量是n=50,求出间隔500÷50=10,于是每隔10个抽取一个样本,连续抽样50次。”这是采用( )(本题2.0分)A. 简单的随机

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