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The effect of rounding on the significance level of certain normal test statistics

 

作者: A. R. Tricker,  

 

期刊: Journal of Applied Statistics  (Taylor Available online 1990)
卷期: Volume 17, issue 1  

页码: 31-38

 

ISSN:0266-4763

 

年代: 1990

 

DOI:10.1080/757582644

 

出版商: Carfax Publishing Company

 

数据来源: Taylor

 

摘要:

A basic assumption of many statistical tests is that the samples are drawn from normal populations. However, in practice the data are often subject to rounding. Here we consider the effect of rounded normal data on the significance level of four test statistics. Guidance is given on what is an appropriate degree of precision when using these tests on normal rounded data. The results indicate that less precision is required of the recorded data than that which is usually given.

 

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