Question

How to use Array.Average() to calculate the average value of int array in C#

Answer 1

using System;
using System.Linq;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr = { 13, 15, 33, 51, 99, 200, 300 };

            double average = arr.Average();

            Console.WriteLine(average);
        }
    }
}


/*
run:

101.571428571429

*/

 

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Answer 2

using System;
using System.Linq;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr = { 13, 15, 33, 51, 99, 200, 300 };

            double average = arr.Average();

            Console.WriteLine("{0:F2}", average);
        }
    }
}


/*
run:

101.57

*/

 

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