code: public final double getConf05(final AbstractMeter meter) {
          checkIfMeterExists(meter);
          final AbstractUnivariateStatistic conf05 = new Percentile(5.0);
          final CollectionDoubleCollection doubleColl = new CollectionDoubleCollection(this.meterResults.get(meter));
          return conf05.evaluate(doubleColl.toArray(), 0, doubleColl.toArray().length);
  
      }
docs: Computes the confidence 05 interval-factor. This value has to be combined with the mean to get the
  confidence-interval.
  
  @param meter the meter for the 05-confidence interval factor
  @return the 99% confidence