static void Main(string[] args) { GradeBook book = new GradeBook(); book.AddGrade(91); book.AddGrade(89.5f); book.AddGrade(75); GradeStatistics stats = book.ComputeStatistics(); Console.WriteLine(stats.AverageGrade); Console.WriteLine(stats.HighestGrade); Console.WriteLine(stats.LowestGrade); Console.ReadLine(); }
public GradeStatistics ComputeStatistics() { GradeStatistics stats = new GradeStatistics(); float sum = 0; foreach (float grade in grades) { sum += grade; stats.HighestGrade = Math.Max(grade, stats.HighestGrade); stats.LowestGrade = Math.Min(grade, stats.LowestGrade); } stats.AverageGrade = sum / grades.Count; return(stats); }