Article · Volume 2, Issue 4 · pp. 315–316
Measures of dispersion
S. Manikandan1
- 1Department of Pharmacology, Indira Gandhi Medical College and Research Institute Hospital, Kadirkamam, Pondicherry, India.
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.
Keywords: Postgraduate Corner
The full text of this article is available as a PDF. Open the PDF.