Prepared byLawrence Kokwww.tcis.or.krhttp://lawrencekok.blogspot.com

Comparing mean mass for 2 samples using histogram/bar chart

Follow the steps provided to compute the standard deviation for 2 samples

2 samples

Follow the steps and arrow starting from Layout, Error bar, and Custom

Use Standard deviation as your error bar/vertical error bar

Acknowledgements

Thanks to Flickr for excellent sites for photo sharing sitehttp://www.flickr.com/

Thanks to Creative commons for excellent contribution on licenseshttp://creativecommons.org/licenses/

Thanks to Google images

Prepared by Lawrence KokCheck out my video tutorial on error bar and uncertainty from my bloghttp://lawrencekok.blogspot.com