question: the mean of this facet interval . concode_field_sep double from concode_elem_sep double total concode_elem_sep double min concode_elem_sep boolean foundInDoc concode_elem_sep double to concode_elem_sep long count concode_elem_sep double max concode_elem_sep String TYPE concode_elem_sep long totalCount concode_field_sep double max concode_elem_sep double getMax concode_elem_sep long count concode_elem_sep long getTotalCount concode_elem_sep double getTo concode_elem_sep long totalCount concode_elem_sep List<Entry> entries concode_elem_sep double total concode_elem_sep double min concode_elem_sep double getMin concode_elem_sep List<Entry> getEntries concode_elem_sep double mean concode_elem_sep double from concode_elem_sep double getTotal concode_elem_sep double to concode_elem_sep long getCount concode_elem_sep double getFrom
target: double function ( ) { return mean ( ) ; }