Statistiek

\(\text{8, 9, 9, 9, 4, 5, 9, 3, 6, 5, 1, 10}\)

\(\text{8, 9, 9, 9, 4, 5, 9, 3, 6, 5, 1, 10}\\= \frac{8 + 9 + 9 + 9 + 4 + 5 + 9 + 3 + 6 + 5 + 1 + 10}{12}\\=\frac{78}{12}=6{,}5\)