Gemiddelde

Bereken het gemiddelde

\(\text{1, 1, 1, 7, 5, 4, 9, 10, 8}\)

\(\text{1, 1, 1, 7, 5, 4, 9, 10, 8}\\= \frac{1 + 1 + 1 + 7 + 5 + 4 + 9 + 10 + 8}{9}\\=\frac{46}{9}\approx 5{,}1\)