Technically speaking, there are 4 elements below 5 and 5 elements above 5:
<5 : 1, 2, 3, 4
>5 : 6, 7, 8, 9, 10
so 5 is still not the middle. The middle point, or median, is still 5.5 = (5 + 6)/2.
I completely agree with your point though. What's the point of a wide range if you only...