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standard deviation

Overview page. Subjects: Science and Mathematics.

A measure of the dispersion of data in statistics. For a set of values a 1, a 2, a 3, … an , the mean m is given by (a 1 + anull...

See overview in Oxford Index

standard deviation

John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Economics. 43 words.

In a sample of observations, a commonly used measure of dispersion, defined as the square root of the average

standard deviation

Nigar Hashimzade, Gareth Myles and John Black.

in A Dictionary of Economics

January 2017; p ublished online January 2017 .

Reference Entry. Subjects: Economics. 45 words.

In a sample of observations, a commonly used measure of *dispersion, defined as the square root of the average of squared deviations of the observations from the sample mean. In a...

standard deviation

Edited by John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2012; p ublished online May 2013 .

Reference Entry. Subjects: Economics. 45 words.

In a sample of observations, a commonly used measure of *dispersion, defined as the square root of the average of squared deviations of the observations from the sample mean. In a...

standard deviation

Edited by Jonathan Law and John Smullen.

in A Dictionary of Finance and Banking

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Financial Institutions and Services. 61 words.

A measure of the dispersion of statistical data. For a series of n values x 1, x 2,

standard deviation

Edited by Jonathan Law.

in A Dictionary of Finance and Banking

January 2014; p ublished online May 2014 .

Reference Entry. Subjects: Financial Institutions and Services. 72 words.

A measure of the dispersion of statistical data. For a series of n values x 1, x 2,

standard deviation

Peter Moles and Nicholas Terry.

in The Handbook of International Financial Terms

January 1997; p ublished online January 2005 .

Reference Entry. Subjects: Financial Institutions and Services. 124 words.

A measure of the dispersion of a distribution and therefore a useful measure of its risk. The square root

standard deviation

Jonathan Law.

in A Dictionary of Finance and Banking

March 2018; p ublished online March 2018 .

Reference Entry. Subjects: Banking; Social Sciences; Economics. 74 words.

A measure of the dispersion of statistical data. For a series of n values x 1, x 2, x n...

standard deviation of returns

Overview page. Subjects: Economics.

A measure of a security's or a portfolio's volatility.

See overview in Oxford Index

relative standard deviation

Nigar Hashimzade, Gareth Myles and John Black.

in A Dictionary of Economics

January 2017; p ublished online January 2017 .

Reference Entry. Subjects: Economics. 12 words.

The absolute value of the *coefficient of variation.

relative standard deviation

Edited by John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2012; p ublished online May 2013 .

Reference Entry. Subjects: Economics. 12 words.

The absolute value of the *coefficient of variation.

standard deviation of returns

Peter Moles and Nicholas Terry.

in The Handbook of International Financial Terms

January 1997; p ublished online January 2005 .

Reference Entry. Subjects: Financial Institutions and Services. 13 words.

A measure of a security's or a portfolio's volatility.

coefficient of variation

John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Economics. 16 words.

The standard deviation of a random variable as a percentage of its mean.

coefficient of variation

Nigar Hashimzade, Gareth Myles and John Black.

in A Dictionary of Economics

January 2017; p ublished online January 2017 .

Reference Entry. Subjects: Economics. 18 words.

The *standard deviation of a random variable as a percentage of its *mean.

coefficient of variation

Edited by John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2012; p ublished online May 2013 .

Reference Entry. Subjects: Economics. 18 words.

The *standard deviation of a random variable as a percentage of its *mean.

standard error (of a statistic)

John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Economics. 30 words.

An estimated standard deviation of a statistic; a measure of the reliability of this statistic as an estimator of the

dispersion

John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Economics. 55 words.

Scattering or spread of the data points around the sample mean. Commonly used measures of dispersion are the standard deviation

dispersion

Edited by John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2012; p ublished online May 2013 .

Reference Entry. Subjects: Economics. 57 words.

Scattering or spread of the data points around the sample mean. Commonly used measures of dispersion are the *standard deviation...

dispersion

Nigar Hashimzade, Gareth Myles and John Black.

in A Dictionary of Economics

January 2017; p ublished online January 2017 .

Reference Entry. Subjects: Economics. 57 words.

Scattering or spread of the data points around the sample mean. Commonly used measures of dispersion are the *standard deviation...

volatile

Overview page. Subjects: Economics.

A description of a market or security with large and rapid price changes. Hence a volatile market (cf. whipsawed). See market risk; price risk; standard deviation; variance; volatility.

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See overview in Oxford Index

standard error (of a statistic)

Edited by John Black, Nigar Hashimzade and Gareth Myles.

in A Dictionary of Economics

January 2012; p ublished online May 2013 .

Reference Entry. Subjects: Economics. 33 words.

An estimated *standard deviation of a statistic; a measure of the reliability of this statistic as an estimator of the population parameter from the sample....