public void StandardDeviationTest()
{
double[] values = { 0.5, -1.2, 0.7, 0.2, 1.1 };
RunningNormalStatistics target = new RunningNormalStatistics();
for (int i = 0; i < values.Length; i++)
target.Push(values[i]);
double expected = values.StandardDeviation();
double actual = target.StandardDeviation;
Assert.AreEqual(expected, actual);
}