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Variability ‐ Does the standard deviation always measure it adequately?
Author(s) -
Pingel Louis A.
Publication year - 1993
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.1467-9639.1993.tb00659.x
Subject(s) - measure (data warehouse) , standard deviation , statistics , econometrics , mathematics , computer science , data mining
Summary This article discusses an example where four sets of scores with different patterns of variability have the same standard deviation. It is then shown that different measures of variability lead to different conclusions about which set of scores is most variable.