Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 1, 8, 1, 10, 8, 10, 8, 4, 3, 1, 4}\\= \frac{7 + 1 + 8 + 1 + 10 + 8 + 10 + 8 + 4 + 3 + 1 + 4}{12}\\=\frac{65}{12}\approx 5,4\)
2. \(\text{10, 10, 6, 3, 9, 6, 9, 1, 4, 8, 3, 5}\\= \frac{10 + 10 + 6 + 3 + 9 + 6 + 9 + 1 + 4 + 8 + 3 + 5}{12}\\=\frac{74}{12}\approx 6,2\)
3. \(\text{8, 4, 2, 2, 5, 1}\\= \frac{8 + 4 + 2 + 2 + 5 + 1}{6}\\=\frac{22}{6}\approx 3,7\)
4. \(\text{9, 8, 1, 7, 4, 7, 6, 2, 4, 9, 8, 2}\\= \frac{9 + 8 + 1 + 7 + 4 + 7 + 6 + 2 + 4 + 9 + 8 + 2}{12}\\=\frac{67}{12}\approx 5,6\)
5. \(\text{10, 7, 1, 7, 10, 9, 1, 6}\\= \frac{10 + 7 + 1 + 7 + 10 + 9 + 1 + 6}{8}\\=\frac{51}{8}\approx 6,4\)
6. \(\text{5, 6, 5, 10, 5, 2, 10, 8, 3, 4}\\= \frac{5 + 6 + 5 + 10 + 5 + 2 + 10 + 8 + 3 + 4}{10}\\=\frac{58}{10}=5,8\)
7. \(\text{5, 1, 6, 6, 1, 6}\\= \frac{5 + 1 + 6 + 6 + 1 + 6}{6}\\=\frac{25}{6}\approx 4,2\)
8. \(\text{8, 8, 3, 10, 3}\\= \frac{8 + 8 + 3 + 10 + 3}{5}\\=\frac{32}{5}=6,4\)
9. \(\text{9, 4, 3, 7, 9, 10, 6, 1, 5, 10, 7}\\= \frac{9 + 4 + 3 + 7 + 9 + 10 + 6 + 1 + 5 + 10 + 7}{11}\\=\frac{71}{11}\approx 6,5\)
10. \(\text{4, 1, 10, 7, 10, 5, 8, 10, 1, 10, 3, 6}\\= \frac{4 + 1 + 10 + 7 + 10 + 5 + 8 + 10 + 1 + 10 + 3 + 6}{12}\\=\frac{75}{12}\approx 6,3\)
11. \(\text{1, 5, 3, 5, 5, 4, 2}\\= \frac{1 + 5 + 3 + 5 + 5 + 4 + 2}{7}\\=\frac{25}{7}\approx 3,6\)
12. \(\text{7, 5, 8, 9, 8, 5, 3}\\= \frac{7 + 5 + 8 + 9 + 8 + 5 + 3}{7}\\=\frac{45}{7}\approx 6,4\)