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Variance of a Few Observations
Author(s) -
Joarder Anwar H.
Publication year - 2009
Publication title -
teaching statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.425
H-Index - 13
eISSN - 1467-9639
pISSN - 0141-982X
DOI - 10.1111/j.1467-9639.2009.00351.x
Subject(s) - variance (accounting) , range (aeronautics) , statistics , mathematics , econometrics , economics , materials science , accounting , composite material
Summary 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.