On the Probability of Improved Accuracy With Increased Sample Size

被引：6

作者：

Webb, Russell Y. ^{[1
]}

Smith, Peter J. ^{[2
]}

Firag, Abdulla ^{[3
]}

机构：

[1] Univ Canterbury, Dept Elect & Comp Engn, Christchurch 1, New Zealand

[2] Univ Canterbury, Dept Elect & Comp Engn & Math & Stat, Christchurch 1, New Zealand

[3] Univ Canterbury, Dept Math & Stat, Christchurch 1, New Zealand

来源：

AMERICAN STATISTICIAN | 2010年 / 64卷 / 03期

关键词：

Accuracy; Pilot sample; Sequential statistics;

D O I：

10.1198/tast.2010.09204

中图分类号：

O21 [概率论与数理统计]; C8 [统计学];

学科分类号：

020208 ; 070103 ; 0714 ;

摘要：

In this article, we consider the probability of improved accuracy in parameter estimation due to increases in sample size. For a range of scenarios we quantify this probability and develop a simple sample size formula to guarantee a certain level of improvement with a given probability. Our results lead to insights into sample size requirements and how they are related to the parameters governing the sampling process.

引用

页码：257 / 262

页数：6

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