Difference between revisions of "SigmaXX Command"
From GeoGebra Manual
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| − | <noinclude>{{Manual Page}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude> | + | <noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude> |
{{command|statistics}} | {{command|statistics}} | ||
; SigmaXX[List of Numbers]: Calculates the sum of squares of the given numbers. | ; SigmaXX[List of Numbers]: Calculates the sum of squares of the given numbers. | ||
| − | : Example | + | :{{Example| In order to work out the variance of a list you may use <tt>SigmaXX[list]/Length[list] - Mean[list]^2</tt>.}} |
; SigmaXX[List of Points]: Calculates the sum of squares of the ''x''-coordinates of the given points. | ; SigmaXX[List of Points]: Calculates the sum of squares of the ''x''-coordinates of the given points. | ||
Revision as of 11:57, 14 February 2011
- SigmaXX[List of Numbers]
- Calculates the sum of squares of the given numbers.
- Example: In order to work out the variance of a list you may use SigmaXX[list]/Length[list] - Mean[list]^2.
- SigmaXX[List of Points]
- Calculates the sum of squares of the x-coordinates of the given points.
