Type:
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