Statistiek

\(\text{3, 1, 2, 2, 9, 10, 4, 4, 3, 10, 1, 1}\)

\(\text{3, 1, 2, 2, 9, 10, 4, 4, 3, 10, 1, 1}\\= \frac{3 + 1 + 2 + 2 + 9 + 10 + 4 + 4 + 3 + 10 + 1 + 1}{12}\\=\frac{50}{12}\approx 4{,}2\)