I kind of have this thought in the back of my mind. It seems slightly pointless but here goes.
In a conventional public examination, a normal distribution curve is used in grading. So, an a* is reserved for the top candidates, whilst the majority receive B's and C's. So it seems logical that not everyone can do good, because if everyone scored high marks, it would just mean higher grade boundaries. Thus can we assume that people who do well, do so at the expense of people who receive poorer grades?
Surely not everyone can do well?
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