code: public static Number getPercentileValue(int targetPercentile,
              List<Number> unorderedNumberList) {
          return getPercentileValueWithSorted(targetPercentile,
                  sortedDoubleList(unorderedNumberList));
      }
docs: Gets percentile value.
  
  @param targetPercentile    the target percentile
  @param unorderedNumberList the unordered number list
  @return the percentile value