The RegressionSlope global element is the slope for a linear regression (the m in y = mx + b) corresponding to the "SLOPE" StatsValuesEnumType enumeration.
<xs:element name="RegressionSlope" type="StatsMeasuredDecimalType" substitutionGroup="NumericCharacteristicStatsValue"><xs:annotation><xs:documentation>The RegressionSlope global element is the slope for a linear regression (the m in y = mx + b) corresponding to the "SLOPE" StatsValuesEnumType enumeration.</xs:documentation></xs:annotation></xs:element>