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| Random Symmetrical Sampling | |
| 作者姓名： | 李新 杨金钟 |
| 作者单位： | Henan University，Henan University |
| 基金项目： | supported in part by Matural science Foundatin of Jiangsu Provincial Committee of Education |
| 摘 要： | We eall following sampling a random symmetrieal sampling:Let the 512亡5 of a population疡二哎Yl,Y:,…,Y二},N二ZK(K 15 a pasitive whole namber),We divide the疡into two grups:‘,~{Y:,Y:,…,Y.}、e:={Y.+;,Y,+:,…,Y,}too draw a radom sample whieh sizes”一2泛(and庵15a pasitive whole number,andl(k簇K),First we draw a simple random sampley:,y:,…,y,from the‘,,Sinee the sample Correspondly to get a sampley;,y妥,一,y几from the。:and to satisfythat when苏from the 02 and to satisfy that when少‘15… |
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