Variance - Revision history

imported>Doug Williamson: Layout.

2020-12-21T12:44:40Z

Layout.

← Older revision		Revision as of 12:44, 21 December 2020
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	1.		1. ''Maths and financial maths.''

	A statistical measure of the spread of given data around their mean.		A statistical measure of the spread of given data around their mean.
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	2.		2. ''Variability.''

	More generally, the degree of variability in an item, especially the degree of variabilty over time.		More generally, the degree of variability in an item, especially the degree of variabilty over time.
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	3.		3. ''Management accounting and generally.''

	More generally still, any difference, especially a difference between two related financial variables.		More generally still, any difference, especially a difference between two related financial variables.

2020-11-14T13:12:31Z

Classify page.

← Older revision		Revision as of 13:12, 14 November 2020
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	== See also ==		== See also ==
	* [[Adverse]]		* [[Adverse]]
			* [[B/(W)]]
	* [[Covariance]]		* [[Covariance]]
	* [[Delta-normal method]]		* [[Delta-normal method]]
	* [[Elasticity]]		* [[Elasticity]]
	* [[Flexible budgeting]]		* [[Flexible budgeting]]
	* [[B/(W)]]
	* [[Mean]]		* [[Mean]]
	* [[Mean-variance efficiency]]		* [[Mean-variance efficiency]]
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	* [[Value at risk]]		* [[Value at risk]]
	* [[Variance analysis]]		* [[Variance analysis]]

			[[Category:Accounting,_tax_and_regulation]]
			[[Category:The_business_context]]
			[[Category:Identify_and_assess_risks]]
			[[Category:Manage_risks]]
			[[Category:Risk_reporting]]
			[[Category:Financial_products_and_markets]]

2016-12-18T08:58:17Z

Add link.

2015-11-22T10:13:12Z

Amend sometimes to often.

← Older revision		Revision as of 10:13, 22 November 2015
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	(where n = the number of items in the sample).		(where n = the number of items in the sample).

	This type of variance is ~~sometimes~~ denoted ''Var'' or ''SD<sup>2</sup>'' (being the square of [[standard deviation]], ''SD'').		This type of variance is often denoted ''Var'' or ''SD<sup>2</sup>'' (being the square of [[standard deviation]], ''SD'').

2015-11-22T10:12:34Z

Note standard deviation notation SD.

← Older revision		Revision as of 10:12, 22 November 2015
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	(where n = the number of items in the sample).		(where n = the number of items in the sample).

	This type of variance is sometimes denoted ''Var'' or ''SD<sup>2</sup>'' (being the square of [[standard deviation]]).		This type of variance is sometimes denoted ''Var'' or ''SD<sup>2</sup>'' (being the square of [[standard deviation]], ''SD'').

2015-11-22T10:11:15Z

Add notation and link with standard deviation page.

← Older revision		Revision as of 10:11, 22 November 2015
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	The estimated variance of the parent population is greater than the variance of the sample by a factor of n/[n-1]		The estimated variance of the parent population is greater than the variance of the sample by a factor of n/[n-1]
	(where n = the number of items in the sample).		(where n = the number of items in the sample).

			This type of variance is sometimes denoted ''Var'' or ''SD<sup>2</sup>'' (being the square of [[standard deviation]]).

2015-11-15T15:49:03Z

Link with B/(W) page.

2015-11-13T18:29:49Z

Link with Value at risk page.

2014-06-28T16:00:11Z

Add link to new Adverse page.

2013-08-14T10:32:58Z

Spacing 14/8/13

← Older revision		Revision as of 10:32, 14 August 2013
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	The estimated variance of the parent population is greater than the variance of the sample by a factor of n/[n-1]		The estimated variance of the parent population is greater than the variance of the sample by a factor of n/[n-1]
	(where n = the number of items in the sample).		(where n = the number of items in the sample).


	2.		2.
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	Variance in this wider sense may be quantified in a number of different ways (which can include the stricter statistical measure of variance, as defined in 1. above).		Variance in this wider sense may be quantified in a number of different ways (which can include the stricter statistical measure of variance, as defined in 1. above).


	3.		3.