Java/src/main/java/com/thealgorithms/maths/StandardDeviation.java

package com.thealgorithms.maths;

public class StandardDeviation {
	
  public static double stdDev(double[] data)
	{
		double var = 0;
		double avg = 0;
		for (int i = 0; i < data.length; i++)
		{
			avg += data[i];
		}
		avg /= data.length;
		for (int j = 0; j < data.length; j++)
		{
			var += Math.pow((data[j] - avg), 2);
		}
		var /= data.length;
		return Math.sqrt(var);
	}
  
}