Function: mean(numbers('epe') if round(numbers('epe'), numbers('xyy')) > sqrt(round(numbers('epe'), numbers('xyy'))) else numbers('xyy') if round(numbers('epe'), numbers('xyy')) > sqrt(round(numbers('epe'), numbers('xyy'))) else numbers('epe'), numbers('xyy') if numbers('epe') > round(numbers('epe'), numbers('xyy')) else sqrt(round(numbers('epe'), numbers('xyy'))))