Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{5, 2, 10, 10, 9, 3, 8, 1}\\= \frac{5 + 2 + 10 + 10 + 9 + 3 + 8 + 1}{8}\\=\frac{48}{8}=6\)
2. \(\text{3, 2, 3, 10, 4, 8, 2, 9, 3}\\= \frac{3 + 2 + 3 + 10 + 4 + 8 + 2 + 9 + 3}{9}\\=\frac{44}{9}\approx 4{,}9\)
3. \(\text{1, 3, 2, 8, 4, 8, 9, 9}\\= \frac{1 + 3 + 2 + 8 + 4 + 8 + 9 + 9}{8}\\=\frac{44}{8}=5{,}5\)
4. \(\text{3, 9, 7, 1, 9, 6, 1, 8, 6}\\= \frac{3 + 9 + 7 + 1 + 9 + 6 + 1 + 8 + 6}{9}\\=\frac{50}{9}\approx 5{,}6\)
5. \(\text{7, 1, 10, 1, 6}\\= \frac{7 + 1 + 10 + 1 + 6}{5}\\=\frac{25}{5}=5\)
6. \(\text{4, 5, 9, 7, 6, 8, 1, 9, 6, 3}\\= \frac{4 + 5 + 9 + 7 + 6 + 8 + 1 + 9 + 6 + 3}{10}\\=\frac{58}{10}=5{,}8\)
7. \(\text{6, 1, 8, 5, 1}\\= \frac{6 + 1 + 8 + 5 + 1}{5}\\=\frac{21}{5}=4{,}2\)
8. \(\text{9, 5, 3, 10, 5, 6, 4, 1, 8}\\= \frac{9 + 5 + 3 + 10 + 5 + 6 + 4 + 1 + 8}{9}\\=\frac{51}{9}\approx 5{,}7\)
9. \(\text{3, 8, 9, 6, 9, 2, 7, 10, 3}\\= \frac{3 + 8 + 9 + 6 + 9 + 2 + 7 + 10 + 3}{9}\\=\frac{57}{9}\approx 6{,}3\)
10. \(\text{3, 10, 3, 4, 10, 5, 2, 10, 10, 3}\\= \frac{3 + 10 + 3 + 4 + 10 + 5 + 2 + 10 + 10 + 3}{10}\\=\frac{60}{10}=6\)
11. \(\text{10, 7, 5, 6, 7, 5}\\= \frac{10 + 7 + 5 + 6 + 7 + 5}{6}\\=\frac{40}{6}\approx 6{,}7\)
12. \(\text{5, 10, 7, 5, 5, 5, 6, 10, 8, 4, 8, 1}\\= \frac{5 + 10 + 7 + 5 + 5 + 5 + 6 + 10 + 8 + 4 + 8 + 1}{12}\\=\frac{74}{12}\approx 6{,}2\)