Originally Posted by RobF
That's because in both your examples there's less difference between your average and the higher score than the average and the lower score. In other words, those lower scores in both examples the 80 and 18% have a greater effect than the 100 and 80%. That's just maths...
Of course but it still doesn't address the issue, high outliers are very rare and where a shoot is consistent even using Mean average looks OK, in fact all four methods we've talked about look very much the same, hardly any change.
However, that's not the same when you apply it to C Grade.