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Statistical dispersion


In statistics, dispersion (also called variability, scatter, or spread) denotes how ... Common examples of measures of statistical dispersion are the variance, ...

Measures of Variability - Online Statistics


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

How to Measure Variability in Statistics - Stat Trek


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 ...


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,...

www.ask.com/youtube?q=Measures of Variability&v=Cx2tGUze60s
Jan 16, 2014 ... An introduction to measures of variability. I discuss the range, mean absolute deviation, variance, and standard deviation, and work through a ...

Measures of Variability


Measures of variability indicate the degree to which the scores in a distribution are spread out. Larger numbers indicate greater variability of scores. Sometimes  ...

Measures of Variability - Sage Publications


104. Measures of. Variability. CHAPTER. 4. Chapter Outline. 4.1 An Example From the. Research: How Many “Sometimes” in an “Always”? 4.2 Understanding  ...

b. measures of variability


An important use of statistics is to measure variability or the spread ofdata. For example, two measures of variability are the standard deviation andthe range.

Chapter 8.5 Measures of Variability | AllPsych


Aug 21, 2014 ... Measures of Variability Variability refers to how spread apart the scores of the distribution are or how much the scores vary from each other.

Popular Q&A
Q: What are measures of variabilities?
A: The range, inter-quartile range, variance, and standard of deviation are all measures of variabi... Read More »
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Q: What is measure of variability?
A: The four frequently used measures of variability are the range, interquartile range, Read More »
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Q: What are the the most common measures of variability?
A: Variance, standard deviation and standard error are the most common but there are also. mean absolute error, standardised error. range. inter-quartile range. Th... Read More »
Source: wiki.answers.com
Q: How to Change Measured & Controlled Variables for a Science Proje...
A: 1. Determine the measured variable of your experiment by searching for the one variable that represents the information the experiment is designed to discover. ... Read More »
Source: www.ehow.com
Q: What are three measures of variability in statistics?
A: The big three are range, variance and standard deviation. See: http://stattrek.com/lesson3/variability.…. It's hard to see how a measure of variability would no... Read More »
Source: answers.yahoo.com