# Add Standard Deviation to Report Table Group

**URL:** <https://forum.inductiveautomation.com/t/add-standard-deviation-to-report-table-group/31187>\
**Category:** Ignition\
**Created:** [January 9, 2020, 5:26pm UTC](https://forum.inductiveautomation.com/t/add-standard-deviation-to-report-table-group/31187 "2020-01-09T17:26:02Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kriss.judovics](https://avatars.discourse-cdn.com/v4/letter/k/47e85d/32.png) [@kriss.judovics](https://forum.inductiveautomation.com/u/kriss.judovics)\
**Post date:** [January 9, 2020, 5:26pm UTC](https://forum.inductiveautomation.com/t/add-standard-deviation-to-report-table-group/31187/1 "2020-01-09T17:26:02Z")

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I am creating a report that has a table grouped by phase steps in a batch. Each phase needs a summary of min, max, average and standard deviation at the end.

When I select “Show Calculations” for the key browser I get min, max and avg.

Any suggestion on how to add Standard Deviation?

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/c/c9a73728a09cb59135284da76e7fe52f5ee431e5.png)