单选题:A sampling frame is a numbered list of all items in a population (not a sample).

题目内容:

A sampling frame is a numbered list of all items in a population (not a sample).Cluster sampling involves selecting one definable subsection of the population which therefore makes the potential for bias considerable.

AForeign exchange rates

BPopulation data

CDetails of industry costs

DInterest rates

答案解析:

A paint manufacturer has a number of departments. Each department is located in

A paint manufacturer has a number of departments. Each department is located in a separate building on the same factory

查看答案

甲公司2018年1月1日销售一批商品,共销售5 000件;每件售价1 000元,每件成本780元。同时,甲公司与客户签订销售退回条款,约定2018年3月31日前

甲公司2018年1月1日销售一批商品,共销售5 000件;每件售价1 000元,每件成本780元。同时,甲公司与客户签订销售退回条款,约定2018年3月31日前该商品如出现质量问题可以将其退回。甲公司销售当日预计该商品退回率为15%;201

查看答案