根据中心极限定律以及t分布,95%置信区间的范围基本等于:sample mean
即样本量(sample size)
size measurement table各国新尺寸对照表
附件2 样本量字码 sample size code
(mil-s-19500e) minimum size of sample to be assure, with a 90
Tips:Do Not Provide
Personal Loans: Go Easy On Your Finances
Finance, Finance, Finance, Foreign Exchange, Stocks, Currency Circle, Venture Capital, Bitcoin, ICO...