How to use "Avg"

I have a number custom field in issue. When I make report, I use this field as colume I want to calculate average in some issue group. How to complete “Avg(set, numeric_expression)”


The average in a report can be added by clicking on the measure in the report and choosing the “Add calculated” → “Statistical” → “Average”

​Best regards,
​Nauris / eazyBI support