public void TestTruncatedAverageTruncatesUnWantedScores()
{
var result = ArithmaticHelpers.TruncatedMean(abnormalScores);
var expectedResult = abnormalScores.Select(score => int.Parse(score)).Average();
Assert.AreNotEqual(result, expectedResult);
}
public void TestTruncatedAverageDoesntTruncateWantedScores()
{
var result = ArithmaticHelpers.TruncatedMean(normalScores);
var expectedResult = 91d;
Assert.AreEqual(result, expectedResult);
}
public void TestAblityToDetectErroneousScoresFromTruncatedMean()
{
var truncatedMean = ArithmaticHelpers.TruncatedMean(abnormalScores);
var result = ArithmaticHelpers.GetErroneousScoresGivenTruncatedMean(abnormalScores.Select(score => int.Parse(score)).ToArray(), truncatedMean);
var expectedResult = erroneousScores.Select(score => int.Parse(score)).ToArray();
Assert.AreNotEqual(result, expectedResult);
}
