Statistiek

\(\text{1, 6, 6, 8, 1, 1, 7}\)

\(\text{1, 6, 6, 8, 1, 1, 7}\\= \frac{1 + 6 + 6 + 8 + 1 + 1 + 7}{7}\\=\frac{30}{7}\approx 4,3\)