Package: labplot
Version: 1.6.0.1-6
Severity: normal
When entering the numbers "3 7 7 19" in fields A1-A4 of a new spreadsheet,
selecting them and selecting "Column statistics" from the context menu, a
new spreadsheet pops up.
It contains (among others) two fields for Standard Deviation and Variance.
LabPlot calculates the variance as 48 and the StdDev as 6.9... which is
incorrect. The correct variance is 36, the correct StdDev is 6.
This error can be reproduced with other combinations of numbers.
It seems that LabPlot always divides the sum of squares by n-1 instead of
n.
Cheers,
Raphael
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