Statistiek

\(\text{7, 9, 2, 2, 1, 3, 1, 2, 1, 5, 4}\)

\(\text{7, 9, 2, 2, 1, 3, 1, 2, 1, 5, 4}\\= \frac{7 + 9 + 2 + 2 + 1 + 3 + 1 + 2 + 1 + 5 + 4}{11}\\=\frac{37}{11}\approx 3{,}4\)