public void GetZ_ZeroS_Fail(double rawValue, double L, double M, double S)
 {
     Assert.Throws <ArgumentException>(delegate
     {
         double z = StatisticsHelper.CalculateZScore(rawValue, L, M, S);
     });
 }
 public void GetZ_Success(double rawValue, double L, double M, double S, double z)
 {
     Assert.True(Math.Abs(z - StatisticsHelper.CalculateZScore(rawValue, L, M, S)) < TOLERANCE);
 }