using System;

public class Task1

    {

        public static void Main(string[] args)

        {

            int[] x = new int[6] { 1, 2, 3, 4, 5, 6 };

            int[] f = new int[6];

            double N = 60;

            int random;

            Random rnd = new Random();

            for(var i = 0; i < N; i++)

            {

                random = rnd.Next(1, 7);

                f[random - 1]++;

            }

​

            double[] W = new double[6];

            double Mx = 0;

​

            for(var i = 0; i < f.Length; i++)

            {

                W[i] = f[i] / N;

                Mx += x[i] * W[i];

                Console.WriteLine("W[{0}]: {1}", i, Math.Round(W[i], 3));

            }

​

            Console.WriteLine("Математичне сподiвання: {0}", Math.Round(Mx, 3));

​

            double D = 0;

            double S = 0;

​

            for(var i = 0; i < x.Length; i++)

            {

                D +=Math.Pow((x[i] - Mx), 2 )* W[i];

                S = Math.Sqrt(D);

            }

​

            Console.WriteLine("Дисперсiя: {0}", Math.Round(D, 3));

            Console.WriteLine("СКВ: {0}", Math.Round(S, 3));

        }

}