Abstract: To settle the numbers of groups, the moth and features of group sampling are analysed, and its estimator is goven.Then using CauchySchwartz unequility, it seeks the best apportion with finite cost.
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- 文摘:為了確定分類(lèi)抽樣的各類(lèi)單位數；分析了分類(lèi)抽樣的抽取方法和特點(diǎn)；同時(shí)給出其簡(jiǎn)單估計；然后利用柯西-施瓦茨不等式推導出在給定調查費用情況下的最優(yōu)分配.
