Can anyone recommend some free software to me where you can make charts that include an error bar? OpenOffice Calc is not able to do that (I don't have access to Excel).(adsbygoogle = window.adsbygoogle || []).push({});

So as an example: I have a triplicate measurement of 77, 75 and 76. I want the graph to show 75 as the mean and then an error bar of +/- 1.

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# Including error bars in a chart

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