阿同学2022-06-08 21:47:46
1、using judgement guarantees that population subdivisions of interest are represented in the sample 。2、there is significant risk that the sample is not representative of the population. 老师这两怎么判断是否属于non-probability 的且属于哪一种。怎么理解这两句。
回答(1)
Evian, CFA2022-06-09 09:34:34
ヾ(◍°∇°◍)ノ゙你好同学,
1.using judgement guarantees that population subdivisions of interest are represented in the sample
使用(人为主观)判断(Judgment Sampling)可以确保在样本体现了总体特征
2.there is significant risk that the sample is not representative of the population.
(人为判断并抽样)存在很大风险(样本并没有代表总体)。例如一个审计师认为被调查公司库存有很大粉饰可能性,审计师会人为判断并着重看被调查公司库存的资料(库存不能代表整个公司的情况,库存粉饰不代表整个公司财务报表都粉饰)
截图中只有Judgment Sampling会用到“判断”,表述中凭借“Judgment”可以判断是非概率抽样
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