Comparison of Three Sampling Designs
作者:
Ester Samuel-Cahn,
期刊:
The American Statistician
(Taylor Available online 1981)
卷期:
Volume 35,
issue 3
页码: 156-157
ISSN:0003-1305
年代: 1981
DOI:10.1080/00031305.1981.10479339
出版商: Taylor & Francis Group
关键词: Efficiency;Sampling design;Optimal design;Sampling cost
数据来源: Taylor
摘要:
Three sampling designs are considered for estimating the sum ofkpopulation means by the sum of the corresponding sample means. These are (a) the optimal design; (b) equal sample sizes from all populations; and (c) sample sizes that render equal variances to all sample means. Designs (b) and (c) are equally inefficient, and may yield a variance up toktimes as large as that of (a). Similar results are true when the cost of sampling is introduced, and they depend on the population sampled.
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