code: def getResultsRange(self):
          
          specs = ResultsRangeDict(result="")
          sample = self.getSample()
          if not sample:
              return specs
  
          service_uid = self.getServiceUID()
          sample_range = sample.getResultsRangeDict()
          return sample_range.get(service_uid, specs)
docs: Returns the valid result range for this reference analysis based on
          the results ranges defined in the Reference Sample from which this
          analysis has been created.
  
          A Reference Analysis (control or blank) will be considered out of range
          if its results does not match with the result defined on its parent
          Reference Sample, with the % error as the margin of error, that will be
          used to set the range's min and max values
          :return: A dictionary with the keys min and max
          :rtype: dict