WTF MinMaxSumAndAvergOfNNumbers

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class MinMaxSumAndAvergOfNNumbers
{
    static void Main()
    {
        double n = double.Parse(Console.ReadLine());
        double min = 0d;
        double max = 0d;
        double sum = 0d;
        double avrg = 0d;

        for (int i = 0; i < n; i++)
        {
            double number = double.Parse(Console.ReadLine());
            sum += number ;
            if (number < n)
            {
                min = number;
            }
            if (number > n)
            {
                max = number;
        avrg = (sum / n);
            }
        }
        Console.WriteLine("min = {0}", min);
        Console.WriteLine("max = {0}", max);
        Console.WriteLine("sum = {0}", sum);
        Console.WriteLine("avg = {0:F2}", avrg);
    }
}