work sampling study 中文意思是什麼
work sampling study
解釋
工作抽樣研究-
In chapter 1, the author first study the two - stage confidece intervals for the variance of a normal distribution, then work out the optimal sample size of the first stage by numerical computations and establish a proof for the non - existence of fixed - size sampling
在第1章里,作者首先研究了正態總體方差的兩步置信區間,並用數值計算的方法給出了第一步的最優抽樣量,且證明了固定樣本抽樣的不存在性。
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