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## Calculate standard deviation and Zscore

Hi all,

I want to calculate Zscore for each progarm manager by using his score according to his delivery managers project count.Suppose x is the pro.manager and his score is 10 and his delivery manager having projects count 24, then by using score and project count I need to calculate Zscore and for that first need to calculate mean and Standard deviation.

above table is DM table where I have DM and his project count.

and this table showing pro.manager and his data where I have score and DM name. I have another table i.e PM Name table where I listed only PM names. I set relationship in DM table and PM table using this table.

I have calculated mean using DAX by following formula :

mean= Score / No.of projects

1 ACCEPTED SOLUTION

Accepted Solutions
Super Contributor

## Re: Calculate standard deviation and Zscore

DAX provides function STDEV.P to return the standard deviation of the entire population.

Here are two examples about Standard deviation and Zscore calculation for your reference.

Can PowerBi give me Z-Scores

Standard Deviation and Z-Score calculation depending on time slicer

Regards,

Yuliana Gu

Community Support Team _ Yuliana Gu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Super Contributor

## Re: Calculate standard deviation and Zscore

DAX provides function STDEV.P to return the standard deviation of the entire population.

Here are two examples about Standard deviation and Zscore calculation for your reference.

Can PowerBi give me Z-Scores

Standard Deviation and Z-Score calculation depending on time slicer

Regards,

Yuliana Gu

Community Support Team _ Yuliana Gu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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