public Quartiles RemoveOutliers(ICollection<MyObject> objects)
{
if (objects.Count == 0)
{
    return new Quartiles();
}

// Calculate Mean value of the set.
decimal meanValue = objects.Average(o => o.MyProperty);

// Find the Object whose value is farthest from the Mean.
MyObject objectFarthestFromMean = object.OrderByDescending(o => Math.Abs(o.MyProperty - meanValue)).First();
Quartiles quartiles = objects.Quartiles(o => o.MyProperty);

// Remove Object if its value is more than 1.5*IQR from the Mean.
decimal minValue = meanValue - (1.5m * quartiles.IQR);
decimal maxValue = meanValue + (1.5m * quartiles.IQR);

if ((objectFarthestFromMean.MyProperty < minValue) || (objectFarthestFromMean.MyProperty > maxValue))
{
    objects.Remove(objectFarthestFromMean);

    return RemoveOutliers(objects);
}

// No outlier found, we're finished.
return quartiles;
}

decimal maxRange = (1.5m * quartiles.IQR);

if (Math.Abs(objectFarthestFromMean.MyProperty - meanValue) > maxRange)
{