using System;
using System.Collections.Generic;
using System.Linq;
using LinqStatistics;
public class Program
{
public static void Main()
Console.WriteLine("Hello World");
List<decimal> items = new List<decimal>() { 0.1m, 0.2m, 0.3m, 0.4m, 0.5m, 0.6m, 0.7m, 0.8m, 0.9m, 1.0m, 1.1m, 1.2m, 1.3m, 1.4m, 1.5m, 1.6m, 1.7m, 1.8m, 1.9m, 2.0m };
Console.WriteLine(variance1(items));
Console.WriteLine(items.VarianceP());
}
static decimal variance1(IEnumerable<decimal> items)
var average = items.Sum() / items.Count();
return (decimal)items.Sum(x => Math.Pow((double)(x - average), 2)) / items.Count();
