Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{3, 4, 2, 9, 6, 3, 8}\\= \frac{3 + 4 + 2 + 9 + 6 + 3 + 8}{7}\\=\frac{35}{7}=5\)
2. \(\text{9, 7, 9, 1, 3, 4, 10, 5, 10}\\= \frac{9 + 7 + 9 + 1 + 3 + 4 + 10 + 5 + 10}{9}\\=\frac{58}{9}\approx 6,4\)
3. \(\text{8, 5, 2, 10, 9}\\= \frac{8 + 5 + 2 + 10 + 9}{5}\\=\frac{34}{5}=6,8\)
4. \(\text{4, 3, 6, 4, 5, 2, 10, 6, 1, 10, 4}\\= \frac{4 + 3 + 6 + 4 + 5 + 2 + 10 + 6 + 1 + 10 + 4}{11}\\=\frac{55}{11}=5\)
5. \(\text{2, 5, 2, 2, 10, 3, 9}\\= \frac{2 + 5 + 2 + 2 + 10 + 3 + 9}{7}\\=\frac{33}{7}\approx 4,7\)
6. \(\text{8, 7, 8, 4, 4, 2, 7, 2, 3, 7, 5}\\= \frac{8 + 7 + 8 + 4 + 4 + 2 + 7 + 2 + 3 + 7 + 5}{11}\\=\frac{57}{11}\approx 5,2\)
7. \(\text{7, 1, 3, 10, 9, 8, 10, 10, 6, 10}\\= \frac{7 + 1 + 3 + 10 + 9 + 8 + 10 + 10 + 6 + 10}{10}\\=\frac{74}{10}=7,4\)
8. \(\text{9, 6, 5, 3, 8, 2, 8, 10, 10, 10, 6, 3}\\= \frac{9 + 6 + 5 + 3 + 8 + 2 + 8 + 10 + 10 + 10 + 6 + 3}{12}\\=\frac{80}{12}\approx 6,7\)
9. \(\text{10, 5, 10, 8, 8, 3, 9, 3}\\= \frac{10 + 5 + 10 + 8 + 8 + 3 + 9 + 3}{8}\\=\frac{56}{8}=7\)
10. \(\text{8, 6, 4, 10, 1, 10}\\= \frac{8 + 6 + 4 + 10 + 1 + 10}{6}\\=\frac{39}{6}=6,5\)
11. \(\text{1, 4, 5, 1, 2}\\= \frac{1 + 4 + 5 + 1 + 2}{5}\\=\frac{13}{5}=2,6\)
12. \(\text{7, 4, 9, 6, 7, 3, 10, 4, 9, 7, 3}\\= \frac{7 + 4 + 9 + 6 + 7 + 3 + 10 + 4 + 9 + 7 + 3}{11}\\=\frac{69}{11}\approx 6,3\)