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Weighted Means Through the Looking Glass
Author(s) -
Falk Ruma,
Lann Avital Lavie
Publication year - 2011
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.1467-9639.2011.00475.x
Subject(s) - equidistant , mathematics , weighted arithmetic mean , arithmetic , statistics , mathematics education , calculus (dental) , geometry , medicine , dentistry
Each weighted mean of two values has a counterpart, equidistant from the arithmetic mean, obtained by exchanging roles between the weights or by inversing each weight. These elementary relations are apt for introductory courses.