question: calculate the standard deviation concode_field_sep PlaceHolder placeHolder concode_field_sep double variance concode_elem_sep double stdDevForGivenMean concode_elem_sep double varianceForGivenMean concode_elem_sep VarianceTotals computeVarianceTotals
target: double function ( Path arg0 , Path arg1 , Configuration arg2 ) { return Math . sqrt ( variance ( arg0 , arg1 , arg2 ) ) ; }