standard error bar

I'm having an issue inserting asymmetric error bars into a grouped bar graph on SigmaPlot version 12. The SEM is already calculated for each "bar" on the graph and I have a column with the SEMs right next to the column with the means. The information I found for creating asymmetric error bars...

I came across this article discussing the topic of confidence intervals and error bars ib plots and thought I'd share...