题目内容

Ladies and gentlemen, good afternoon. First of all, let me ( 1 ) to you for coming to the opening ceremony of our new branch office.This branch is the 25th office we have ( 2 ) so far. We are very happy that we have finall opened a branch in this city. This branch, we believe, will help ( 3 ) the local economy. And our company will in turn benefit from doing business here. We promise that we will provide the ( 4 ) to our customers. And, of course, we need your ( 5 ) and cooperation.

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网络直接调查法常用的方法有哪些?

A. 网络访谈法
B. 邮件调查法
C. 站点法
D. 委托合作市场调查法
E. 随机IP法

网上调查的步骤

A. 明确问题,确定目标
B. 确定调查对象
C. 制定调查计划
D. 搜集信息
E. 整理加工分析数据
F. 撰写报告

非随机抽样有哪些?

A. 任意抽样
B. 判断抽样
C. 配额抽样
D. 滚雪球抽样

随机抽样有哪些?

A. 简单随机抽样
B. 分层随机抽样
C. 分群随机抽样
D. 分类随机抽样

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