The optional RelativeEquipmentVariation element is the equipment variation relative to the size of the tolerance zone corresponding to the "REL_EV" StatsValuesEnumType enumeration.
<xs:element name="RelativeEquipmentVariation" type="StatsMeasuredDecimalType" substitutionGroup="NumericCharacteristicWithTolStatsValue"><xs:annotation><xs:documentation>The optional RelativeEquipmentVariation element is the equipment variation relative to the size of the tolerance zone corresponding to the "REL_EV" StatsValuesEnumType enumeration.</xs:documentation></xs:annotation></xs:element>