public override Evaluation GetEvaluation(double correctValue)
{
var meanValue = Readings.Average(x => x.Value);
var meanMistake = Math.Abs(meanValue - correctValue);
var standardDeviation = Math.Sqrt(Readings.Sum(x => Math.Pow(meanValue - x.Value, 2)) / (Readings.Count - 1));
string result;
if (meanMistake > 0.5)
{
result = "precise";
}
else if (standardDeviation > 3)
{
result = "very precise";
}
else
{
result = "ultra precise";
}
return(new Evaluation(Name, result));
}