public void WeightedAverageCalculationTest()
{
int[] input = new int[] { 1, 2, 11, 25, 88 };
int[] weights = new int[] { 10, 20, 15, 18, 22 };
var result = StatFunctions.CalculateWeightedAverage(input, weights);
Assert.IsTrue(result == 30.6);
}
/// <summary>
/// return calculated weighted average for student
/// </summary>
/// <param name="student"></param>
private double CalculateStudentWeightedAverage(Student student)
{
int[] weights = new int[_SubjectWeights.Count];
int[] values = new int[_SubjectWeights.Count];
for (int i = 0; i < _SubjectWeights.Count; i++)
{
weights[i] = _SubjectWeights[i].WeightPercentage;
var subject = student.Subjects.FirstOrDefault(p => p.Name == _SubjectWeights[i].Name);
int SubjectPercentage = 0;
if (subject != null)
{
SubjectPercentage = subject.SucessRate;
}
values[i] = SubjectPercentage;
}
return(StatFunctions.CalculateWeightedAverage(values, weights));
}
