Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{8, 2, 6, 8, 5, 2, 1, 3, 3, 5, 10, 8}\\= \frac{8 + 2 + 6 + 8 + 5 + 2 + 1 + 3 + 3 + 5 + 10 + 8}{12}\\=\frac{61}{12}\approx 5{,}1\)
2. \(\text{5, 6, 10, 1, 4, 10, 5}\\= \frac{5 + 6 + 10 + 1 + 4 + 10 + 5}{7}\\=\frac{41}{7}\approx 5{,}9\)
3. \(\text{10, 10, 1, 5, 6, 4, 1, 1, 3, 1, 5, 1}\\= \frac{10 + 10 + 1 + 5 + 6 + 4 + 1 + 1 + 3 + 1 + 5 + 1}{12}\\=\frac{48}{12}=4\)
4. \(\text{10, 6, 8, 2, 4, 3, 8, 10, 2, 5}\\= \frac{10 + 6 + 8 + 2 + 4 + 3 + 8 + 10 + 2 + 5}{10}\\=\frac{58}{10}=5{,}8\)
5. \(\text{4, 1, 7, 2, 1, 7, 3}\\= \frac{4 + 1 + 7 + 2 + 1 + 7 + 3}{7}\\=\frac{25}{7}\approx 3{,}6\)
6. \(\text{7, 10, 8, 9, 8, 8, 6, 7, 9}\\= \frac{7 + 10 + 8 + 9 + 8 + 8 + 6 + 7 + 9}{9}\\=\frac{72}{9}=8\)
7. \(\text{7, 2, 3, 9, 8, 5, 10, 8, 6, 3, 10}\\= \frac{7 + 2 + 3 + 9 + 8 + 5 + 10 + 8 + 6 + 3 + 10}{11}\\=\frac{71}{11}\approx 6{,}5\)
8. \(\text{5, 6, 1, 5, 4, 1, 3, 2, 5, 1, 9, 3}\\= \frac{5 + 6 + 1 + 5 + 4 + 1 + 3 + 2 + 5 + 1 + 9 + 3}{12}\\=\frac{45}{12}\approx 3{,}8\)
9. \(\text{7, 4, 8, 7, 8, 3, 7, 1, 6, 10}\\= \frac{7 + 4 + 8 + 7 + 8 + 3 + 7 + 1 + 6 + 10}{10}\\=\frac{61}{10}=6{,}1\)
10. \(\text{3, 3, 3, 7, 7, 1}\\= \frac{3 + 3 + 3 + 7 + 7 + 1}{6}\\=\frac{24}{6}=4\)
11. \(\text{4, 4, 4, 4, 3, 3, 9, 9}\\= \frac{4 + 4 + 4 + 4 + 3 + 3 + 9 + 9}{8}\\=\frac{40}{8}=5\)
12. \(\text{8, 5, 5, 7, 9, 5, 10, 6, 6, 10, 8}\\= \frac{8 + 5 + 5 + 7 + 9 + 5 + 10 + 6 + 6 + 10 + 8}{11}\\=\frac{79}{11}\approx 7{,}2\)