A COMPARISON OF STRATIFIED WITH UNRESTRICTED RANDOM SAMPLING FROM A FINITE POPULATION
成果类型：
Article
署名作者：
ARMITAGE, P
刊物名称：
BIOMETRIKA
ISSN/ISSBN：
0006-3444
发表日期：
1947
页码：
273280
关键词：
摘要：
Wilks has shown for infinite populations that optimum stratified sampling is more efficient (in general) than proportional sampling, which is more efficient than unrestricted random sampling. It is shown that these inequalities may be reversed in sampling from finite populations when the mean values in the strata are nearly equal, and when the population is small or the variances in the strata nearly equal.