Question

What is the average of these numbers 5, 6, 10, 6, 10, 6?

$5 + \frac{0+ 1+ 5 + 0+ 1+ 5 }{6}\\ =5+\frac{2\cdot 6}{6} \\ = 5+2\\ =7$

(5+6+10+6+10+6) /  6   = 43/6 = 7.1666667

$\frac{5+6+10+6+10+6}{6}=\frac{43}{6}=7.16666666666667$