Measures of Variability - Online Stats Book

onlinestatbook.com/2/summarizing_distributions/variability.html

There are four frequently used measures of variability: the range, interquartile range, variance, and standard deviation. In the next few paragraphs, we will look  ...

Variability in Statistics - Stat Trek

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 measures of variability are the range, the ...

Measures of variability: the range, inter-quartile range and standard ...

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

This guide outlines three methods used to summarise the variability in a dataset. It will help you identify which measure is most appropriate to use for a particular ...

Measures of Variability: Range, Variance & Standard Deviation ...

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

Measures of statistical dispersion - Wikipedia

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 variability, that is, one and the same subject differing ...

2.2 - Measures of Variability | STAT 500

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

Easy to calculate; Very much affected by extreme values (range is not a resistant measure of variability). B. Interquartile range (IQR). In order to talk about ...

Measures of Variability - LITFL: Life in the Fast Lane Medical Blog

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

Aug 26, 2015 ... Measures if variability describe the average dispersion of data around ... or wrong; CI's allow more scope for reader judgement on significance.

Descriptive statistics - Wikipedia

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 data set are ... while measures of variability in...

Statistical Language - Measures of Spread

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

Jul 4, 2013 ... Measures of spread describe how similar or varied the set of observed values are for a particular variable (data item). Measures of spread ...