onlinestatbook.com/2/summarizing_distributions/variability.html

There are four frequently used

stattrek.com/descriptive-statistics/variability.aspx?Tutorial=AP

Statisticians use summary measures to describe the amount of variability or
spread in a set of data. The most common

www2.le.ac.uk/offices/ld/resources/numerical-data/variability

This guide outlines three methods used to summarise the

study.com/academy/lesson/measures-of-variability-range-variance-standard-deviation.html

Looking specifically at range, variance, and standard deviation, this lesson
explores the relationship between these

en.wikipedia.org/wiki/Statistical_dispersion

In statistics, dispersion is the extent to which a distribution is stretched or
squeezed. Common ... Also, it may be due to intra-individual

onlinecourses.science.psu.edu/stat500/node/13

Easy to calculate; Very much affected by extreme values (range is not a resistant

lifeinthefastlane.com/ccc/measures-of-variability/

Aug 26, 2015

en.wikipedia.org/wiki/Descriptive_statistics

Descriptive statistics are statistics that quantitatively describe or summarize
features of a ... Some measures that are commonly used to describe a

www.abs.gov.au/websitedbs/a3121120.nsf/home/statistical language - measures of spread

Jul 4, 2013