[Solved] Getting the average from a user entered array [duplicate]

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Well you already have arrayLength, why not use that as your array size indicator? Also, your average routine will lose precision. You are returning double, but your code has everything as int.

static void Main(string[] args)
{
    Console.WriteLine("enter the amount of numbers you would like to find the average and mean of: ");
    int arraylength = Int32.Parse(Console.ReadLine());
    int[] AverageArray = new int[arraylength];

    //filling the array with user input
    for (int i = 0; i < arraylength; i++)
    {
        Console.Write("enter the numbers you wish to find the average for: ");
        AverageArray[i] = Int32.Parse(Console.ReadLine());
    }
    //printing out the array 
    Console.WriteLine("here is your array: ");
    for (int i = 0; i < arrayLength; i++)
    {
        Console.WriteLine(AverageArray[i]);
    }
    Console.WriteLine(FindAverage(AverageArray));
}

public static double FindAverage(int[] averageNumbers)
{
    // change to 'double' otherwise you will lose precision
    double arraySum = 0;
    for (int i = 0; i < averageNumbers.Length; i++)
        arraySum += averageNumbers[i];

    return arraySum / averageNumbers.Length;
}

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solved Getting the average from a user entered array [duplicate]