Sample size for the Z test and its confidence interval

被引：0

作者：

Liu, Xiaofeng Steven ^{[1
]}

机构：

[1] Univ South Carolina, Columbia, SC 29208 USA

来源：

INTERNATIONAL JOURNAL OF MATHEMATICAL EDUCATION IN SCIENCE AND TECHNOLOGY | 2012年 / 43卷 / 02期

关键词：

sample size; statistical power; confidence interval;

D O I：

10.1080/0020739X.2011.582180

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

The statistical power of a significance test is closely related to the length of the confidence interval (i.e. estimate precision). In the case of a Z test, the length of the confidence interval can be expressed as a function of the statistical power.

引用

页码：266 / 270

页数：7

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