public void CalculateStdDevTestMethod() { double[] testData = { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0 }; double actualValue = Mathematics.CalculateStdDev(testData.ToList()); double expectedValue = Math.Sqrt(55.0 / 6.0); Assert.AreEqual(expectedValue, actualValue, "Standard Deviation is not as expected"); }