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Journal of Pharmacology and PharmacotherapeuticsNOW IN
Article

Measures of dispersion

S. Manikandan1★★ Corresponding author

  1. 1Department of Pharmacology, Indira Gandhi Medical College and Research Institute Hospital, Kadirkamam, Pondicherry, India.

CORRESPONDENCE

S. Manikandan

Department of Pharmacology, Indira Gandhi Medical College and Research Institute Hospital, Kadirkamam, Pondicherry, India.

drsmanikandan001@gmail.com

Volume 2, Issue 4 · pp. 315–316 · PUBLISHED 2011 · DOI: 10.4103/0976-500X.85931

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ABSTRACT

The measures of central tendency are not adequate to describe data. Two data sets can have the same mean but they can be entirely different. Thus to describe data, one needs to know the extent of variability. This is given by the measures of dispersion. Range, interquartile range, and standard deviation are the three commonly used measures of dispersion.

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    Manikandan, S. (2011). Measures of dispersion. Journal of Pharmacology and Pharmacotherapeutics, 2(4), 315–316. https://doi.org/10.4103/0976-500X.85931