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); } }