Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{8, 7, 8, 7, 1, 6, 1, 9, 10, 8, 2}\\= \frac{8 + 7 + 8 + 7 + 1 + 6 + 1 + 9 + 10 + 8 + 2}{11}\\=\frac{67}{11}\approx 6{,}1\)
2. \(\text{9, 9, 6, 5, 3, 8, 8, 3, 10, 5, 3}\\= \frac{9 + 9 + 6 + 5 + 3 + 8 + 8 + 3 + 10 + 5 + 3}{11}\\=\frac{69}{11}\approx 6{,}3\)
3. \(\text{4, 10, 7, 10, 2}\\= \frac{4 + 10 + 7 + 10 + 2}{5}\\=\frac{33}{5}=6{,}6\)
4. \(\text{7, 7, 2, 9, 7, 6, 6, 8, 1, 10}\\= \frac{7 + 7 + 2 + 9 + 7 + 6 + 6 + 8 + 1 + 10}{10}\\=\frac{63}{10}=6{,}3\)
5. \(\text{10, 7, 10, 1, 10, 5, 1, 8, 8, 2, 1, 4}\\= \frac{10 + 7 + 10 + 1 + 10 + 5 + 1 + 8 + 8 + 2 + 1 + 4}{12}\\=\frac{67}{12}\approx 5{,}6\)
6. \(\text{8, 7, 7, 2, 2, 3, 3, 1, 10, 10, 2}\\= \frac{8 + 7 + 7 + 2 + 2 + 3 + 3 + 1 + 10 + 10 + 2}{11}\\=\frac{55}{11}=5\)
7. \(\text{6, 10, 3, 8, 3, 2, 6}\\= \frac{6 + 10 + 3 + 8 + 3 + 2 + 6}{7}\\=\frac{38}{7}\approx 5{,}4\)
8. \(\text{7, 6, 1, 9, 3, 7}\\= \frac{7 + 6 + 1 + 9 + 3 + 7}{6}\\=\frac{33}{6}=5{,}5\)
9. \(\text{7, 9, 4, 6, 9}\\= \frac{7 + 9 + 4 + 6 + 9}{5}\\=\frac{35}{5}=7\)
10. \(\text{3, 8, 7, 1, 10, 6}\\= \frac{3 + 8 + 7 + 1 + 10 + 6}{6}\\=\frac{35}{6}\approx 5{,}8\)
11. \(\text{5, 2, 2, 6, 6, 4, 2, 5, 6}\\= \frac{5 + 2 + 2 + 6 + 6 + 4 + 2 + 5 + 6}{9}\\=\frac{38}{9}\approx 4{,}2\)
12. \(\text{3, 8, 2, 1, 8, 9, 6}\\= \frac{3 + 8 + 2 + 1 + 8 + 9 + 6}{7}\\=\frac{37}{7}\approx 5{,}3\)