Round #1013

Given the data set {4, 8, 6, 5, 3, 7, 8}, compute the mean, median, and mode.

```csharp using System; using System.Linq; class Program { static void Main() { // Define the dataset int[] data = { 4, 8, 6, 5, 3, 7, 8 }; // Compute the mean double mean = data.Average(); Console.WriteLine("Mean: " + mean); // Compute the median Array.Sort(data); double median; if (data.Length % 2 == 0) median = (data[data.Length / 2 - 1] + data[data.Length / 2]) / 2.0; else median = data[data.Length / 2]; Console.WriteLine("Median: " + median); // Compute the mode var groups = data.GroupBy(x => x).OrderByDescending(x => x.Count()); int mode = groups.First().Key; Console.WriteLine("Mode: " + mode); } } ```

```csharp using System; using System.Linq; public class StatisticsCalculator { public static void CalculateStatistics(int[] data) { // Calculate mean double mean = data.Average(); Console.WriteLine($"Mean: {mean}"); // Calculate median Array.Sort(data); double median; int n = data.Length; if (n % 2 == 0) { median = (data[n / 2 - 1] + data[n / 2]) / 2.0; } else { median = data[n / 2]; } Console.WriteLine($"Median: {median}"); // Calculate mode var groups = data.GroupBy(x => x).OrderByDescending(x => x.Count()); int mode = groups.First().Key; Console.WriteLine($"Mode: {mode}"); } public static void Main(string[] args) { int[] data = { 4, 8, 6, 5, 3, 7, 8 }; CalculateStatistics(data); } } ``` This C# code calculates the mean, median, and mode of a given data set. The `CalculateStatistics` method takes an array of integers as input, calculates the mean using the `Average` method, the median by sorting the array and finding the middle value, and the mode by grouping the data by value and finding the most frequent value. The results are then printed to the console. The `Main` method demonstrates how to use this method with a sample data set.