Average

using System;//from  ja v  a2 s  .c om
using System.Linq;

class Program
{
    static void Main()
    {
        decimal[] numbers = { 3, 4, 8 };
        decimal average = numbers.Average();  // 5  (mean value)

        Console.WriteLine(average);

        double avg = new int[] { 3, 4 }.Average();  // 3.5
        Console.WriteLine(avg);

    }
}

using System;/*j ava2s  .  co m*/
using System.Linq;

public class MainClass
{
    public static void Main()
    {
        string[] words = { "ch", "a", "blue" };

        double averageLength = words.Average(w => w.Length);

        Console.WriteLine("The average word length is {0} characters.", averageLength);
    }
}