Add bars at +/- 1, 2 or 3 STD or STDERR of the MEAN[ View Code ]
Produce one standard error with the ERRORBAR= option in PROC GCHART[ View Code ]
Create a histogram with a normal density curve[ View Code ]
Annotate +/- one std of the mean[ View Code ]
Annotate +/- one std of the mean - Example 2[ View Code ]
