Gemiddelde

Hoofdmenu Eentje per keer  🖨

Bereken het gemiddelde

1. \(\text{3, 9, 5, 8, 8}\)
2. \(\text{8, 2, 2, 1, 4, 6, 9, 9, 7}\)
3. \(\text{8, 1, 5, 3, 2, 6, 8}\)
4. \(\text{7, 4, 4, 6, 1, 6, 5, 4, 7, 7, 5}\)
5. \(\text{3, 2, 10, 3, 10, 4, 4, 1}\)
6. \(\text{8, 4, 9, 4, 2}\)
7. \(\text{1, 3, 1, 2, 6, 1, 7, 8, 2, 4}\)
8. \(\text{3, 9, 8, 5, 6}\)
9. \(\text{9, 6, 7, 4, 10, 2, 9, 6, 10, 3, 5, 10}\)
10. \(\text{1, 7, 8, 2, 5}\)
11. \(\text{10, 4, 2, 9, 8, 6}\)
12. \(\text{2, 7, 4, 2, 4, 4, 2}\)

---

Bereken het gemiddelde

Verbetersleutel

1. \(\text{3, 9, 5, 8, 8}\\= \frac{3 + 9 + 5 + 8 + 8}{5}\\=\frac{33}{5}=6{,}6\)
2. \(\text{8, 2, 2, 1, 4, 6, 9, 9, 7}\\= \frac{8 + 2 + 2 + 1 + 4 + 6 + 9 + 9 + 7}{9}\\=\frac{48}{9}\approx 5{,}3\)
3. \(\text{8, 1, 5, 3, 2, 6, 8}\\= \frac{8 + 1 + 5 + 3 + 2 + 6 + 8}{7}\\=\frac{33}{7}\approx 4{,}7\)
4. \(\text{7, 4, 4, 6, 1, 6, 5, 4, 7, 7, 5}\\= \frac{7 + 4 + 4 + 6 + 1 + 6 + 5 + 4 + 7 + 7 + 5}{11}\\=\frac{56}{11}\approx 5{,}1\)
5. \(\text{3, 2, 10, 3, 10, 4, 4, 1}\\= \frac{3 + 2 + 10 + 3 + 10 + 4 + 4 + 1}{8}\\=\frac{37}{8}\approx 4{,}6\)
6. \(\text{8, 4, 9, 4, 2}\\= \frac{8 + 4 + 9 + 4 + 2}{5}\\=\frac{27}{5}=5{,}4\)
7. \(\text{1, 3, 1, 2, 6, 1, 7, 8, 2, 4}\\= \frac{1 + 3 + 1 + 2 + 6 + 1 + 7 + 8 + 2 + 4}{10}\\=\frac{35}{10}=3{,}5\)
8. \(\text{3, 9, 8, 5, 6}\\= \frac{3 + 9 + 8 + 5 + 6}{5}\\=\frac{31}{5}=6{,}2\)
9. \(\text{9, 6, 7, 4, 10, 2, 9, 6, 10, 3, 5, 10}\\= \frac{9 + 6 + 7 + 4 + 10 + 2 + 9 + 6 + 10 + 3 + 5 + 10}{12}\\=\frac{81}{12}\approx 6{,}8\)
10. \(\text{1, 7, 8, 2, 5}\\= \frac{1 + 7 + 8 + 2 + 5}{5}\\=\frac{23}{5}=4{,}6\)
11. \(\text{10, 4, 2, 9, 8, 6}\\= \frac{10 + 4 + 2 + 9 + 8 + 6}{6}\\=\frac{39}{6}=6{,}5\)
12. \(\text{2, 7, 4, 2, 4, 4, 2}\\= \frac{2 + 7 + 4 + 2 + 4 + 4 + 2}{7}\\=\frac{25}{7}\approx 3{,}6\)