Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{10, 7, 5, 5, 2, 8, 1, 4, 5, 9}\\= \frac{10 + 7 + 5 + 5 + 2 + 8 + 1 + 4 + 5 + 9}{10}\\=\frac{56}{10}=5,6\)
2. \(\text{4, 1, 5, 3, 2, 10, 9}\\= \frac{4 + 1 + 5 + 3 + 2 + 10 + 9}{7}\\=\frac{34}{7}\approx 4,9\)
3. \(\text{5, 10, 6, 9, 6, 6, 6, 1}\\= \frac{5 + 10 + 6 + 9 + 6 + 6 + 6 + 1}{8}\\=\frac{49}{8}\approx 6,1\)
4. \(\text{7, 3, 3, 6, 5, 8, 2, 6, 10, 4, 1, 1}\\= \frac{7 + 3 + 3 + 6 + 5 + 8 + 2 + 6 + 10 + 4 + 1 + 1}{12}\\=\frac{56}{12}\approx 4,7\)
5. \(\text{4, 5, 9, 10, 6, 4, 6, 3}\\= \frac{4 + 5 + 9 + 10 + 6 + 4 + 6 + 3}{8}\\=\frac{47}{8}\approx 5,9\)
6. \(\text{8, 4, 3, 5, 9, 10, 5, 2, 1, 5}\\= \frac{8 + 4 + 3 + 5 + 9 + 10 + 5 + 2 + 1 + 5}{10}\\=\frac{52}{10}=5,2\)
7. \(\text{5, 8, 3, 6, 10}\\= \frac{5 + 8 + 3 + 6 + 10}{5}\\=\frac{32}{5}=6,4\)
8. \(\text{9, 10, 4, 1, 2, 5, 4, 10, 2, 8}\\= \frac{9 + 10 + 4 + 1 + 2 + 5 + 4 + 10 + 2 + 8}{10}\\=\frac{55}{10}=5,5\)
9. \(\text{1, 4, 2, 3, 5, 10, 1, 2, 9, 10, 1}\\= \frac{1 + 4 + 2 + 3 + 5 + 10 + 1 + 2 + 9 + 10 + 1}{11}\\=\frac{48}{11}\approx 4,4\)
10. \(\text{4, 3, 1, 3, 1, 5, 2}\\= \frac{4 + 3 + 1 + 3 + 1 + 5 + 2}{7}\\=\frac{19}{7}\approx 2,7\)
11. \(\text{6, 8, 10, 2, 5, 10, 2, 1, 9, 5}\\= \frac{6 + 8 + 10 + 2 + 5 + 10 + 2 + 1 + 9 + 5}{10}\\=\frac{58}{10}=5,8\)
12. \(\text{2, 7, 2, 7, 4, 5, 2, 3, 7}\\= \frac{2 + 7 + 2 + 7 + 4 + 5 + 2 + 3 + 7}{9}\\=\frac{39}{9}\approx 4,3\)