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I need to calculate the standard deviation of a generic list. I will try to include my code. Its a generic list with data in it. The data is mostly floats and ints. Here is my code that is relative to it without getting into to much detail: namespace ValveTesterInterface { public class ValveDataResults { private List<ValveData> m_ValveResults; public ValveDataResults() { if (m_ValveResults == null) { m_ValveResults = new List<ValveData>(); } } public void AddValveData(ValveData valve) { m_ValveResults.Add(valve); } Here is the function where the standard deviation needs to be calculated: public float LatchStdev() { float sumOfSqrs = 0; float meanValue = 0; foreach (ValveData value in m_ValveResults) { meanValue += value.LatchTime; } meanValue = (meanValue / m_ValveResults.Count) * 0.02f; for (int i = 0; i <= m_ValveResults.Count; i++) { sumOfSqrs += Math.Pow((m_ValveResults - meanValue), 2); } return Math.Sqrt(sumOfSqrs /(m_ValveResults.Count - 1)); } } } Ignore whats inside the LatchStdev() function because I'm sure its not right. Its just my poor attempt to calculate the st dev. I know how to do it of a list of doubles, however not of a list of generic data list. If someone had experience in this, please help.

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