question: returns the arithmetic mean of an array of doubles concode_field_sep PlaceHolder placeHolder concode_field_sep ArrayList<T> randomSelection concode_elem_sep void convertLinkedListObject concode_elem_sep List<T> subList concode_elem_sep int checkForPositiveInteger concode_elem_sep LinkedList<Integer> convertArray concode_elem_sep void convertArray concode_elem_sep void convertArray concode_elem_sep int[] roundAndConvert concode_elem_sep int[] roundAndConvert concode_elem_sep int roundAndConvert concode_elem_sep boolean areAnyObjectsNull concode_elem_sep int[][] roundArray concode_elem_sep int[] roundArray concode_elem_sep double[] roundArray concode_elem_sep int[] convertLinkedList concode_elem_sep void convertLinkedList concode_elem_sep double round concode_elem_sep void addAll concode_elem_sep void addAll concode_elem_sep void addAll concode_elem_sep ByteBuffer cloneByteBuffer concode_elem_sep T getFromHashSet concode_elem_sep int[] convertArrayList concode_elem_sep String dateAsString concode_elem_sep int[] convertHashSet concode_elem_sep void convertHashSet concode_elem_sep int pickValidItem concode_elem_sep T pickRandom concode_elem_sep double standardDeviation concode_elem_sep double standardDeviation
target: double function ( double [ ] arg0 ) { if ( arg0 . length == 0 ) { return Double . NaN ; } int loc0 = 0 ; for ( int loc1 = 0 ; loc1 < arg0 . length ; loc1 ++ ) { loc0 += arg0 [ loc1 ] ; } return loc0 / arg0 . length ; }