public override string GetStatus() { var mean = _calculator.Mean(_readings); var meanDev = _calculator.StandardDeviation(new[] { _referenceTemperature, mean }); var stdDev = _calculator.StandardDeviation(_readings); if (meanDev < 0.5 && stdDev < 3) { return("ultra precise"); } if (meanDev < 0.5 && stdDev >= 3 && stdDev < 5) { return("very precise"); } return("precise"); }