Wikipedia: History of Statistical dispersion

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Changed: 1c1

A measure of statistical displersion must yield a number which is zero if all the data are identical and must increase as the data are more diverse. A very important measure of dispersion is the standard deviation, the square root of the variance.

A measure of statistical dispersion must yield a number which is zero if all the data are identical and must increase as the data are more diverse. A very important measure of dispersion is the standard deviation, the square root of the variance.

Changed: 5c5

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	Revision 3 . . July 31, 2001 3:29 am by Pinkunicorn
	Revision 2 . . (edit) June 30, 2001 4:00 pm by Larry Sanger