static void Main(string[] args) { GradeBook book = new GradeBook(); book.AddGrade(91f); book.AddGrade(89.1f); book.AddGrade(75f); GradeStatistics stats = book.ComputeStatistics(); Console.WriteLine(stats.AverageGrade); Console.WriteLine(stats.HighestGrade); Console.WriteLine(stats.LowestGrade); Console.WriteLine(stats.LetterGrade); Console.ReadLine(); }
public GradeStatistics ComputeStatistics() { GradeStatistics stats = new GradeStatistics(); stats.HighestGrade = 0; float sum = 0f; foreach (float grade in grades) { stats.HighestGrade = Math.Max(grade, stats.HighestGrade); stats.LowestGrade = Math.Min(grade, stats.LowestGrade); sum += grade; } if (grades.Count != 0) { stats.AverageGrade = sum / grades.Count; } return(stats); }