Variance of a Few Observations


Authors: 
Anwar H. Joarder
Volume: 
31(2)
Pages: 
Online
Year: 
2009
Publisher: 
Teaching Statistics
URL: 
http://www3.interscience.wiley.com/journal/122324632/abstract
Abstract: 

This article demonstrates that the variance of three or four observations can be expressed in terms of the range and the first order differences of the observations. A more general result, which holds for any number of observations, is also stated.

The CAUSE Research Group is supported in part by a member initiative grant from the American Statistical Association’s Section on Statistics and Data Science Education

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