public void ComputeLowestGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(10);
book.AddGrade(90);
GradeBookStats results = book.ComputeStatistics();
Assert.AreEqual(10, results.LowestGrade);
}
public void ComputeAverage()
{
GradeBook book = new GradeBook();
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
GradeBookStats results = book.ComputeStatistics();
Assert.AreEqual(85.16667, results.AverageGrade, 0.01);
}