# Standard Deviation Above and Below the Mean - Monitoring changes in athlete performance

Hi all,

Have you been wanting to create a standard deviation that is above and below the mean?

In this video I show you how to do this for a selected group of team data, or a single athlete over time. To do this we use a combination of CALCULATE, STDEV.S and ALLSELECTED. This is a great way at looking for potential changes in performance, fatigue through things like jump performance, or even just assessing the performance of an athlete at a given point.

You can find the video below!

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