<xs:element name="Statistics">
  <xs:sequence>
    <xs:element maxOccurs="unbounded" minOccurs="0" ref="Statistic"/>
  </xs:sequence>
  <xs:attribute default="true" name="UseEffectiveBase" type="xs:boolean" use="optional"/>
  <xs:attribute name="TestColumns" type="xs:string" use="optional"/>
  <xs:attribute name="ColumnsIDs" type="xs:string" use="optional"/>
  <xs:attribute default="false" name="ShowMinPVal" type="xs:boolean" use="optional"/>
  <xs:attribute default="false" name="UseGridOverlapFormula" type="xs:boolean" use="optional"/>
  <xs:attribute name="GridDetectionMethod" type="GridDetectionMethodTypeConstants" use="optional">
    <xs:enumeration value="UseMaxResponses"/>
    <xs:enumeration value="UseMetadata"/>
  </xs:attribute>
</xs:element>