SigmaXX Command

From GeoGebra Manual
Revision as of 12:15, 8 October 2012 by Murkle (talk | contribs)
Jump to: navigation, search


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.
© 2021 International GeoGebra Institute