Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{5, 10, 7, 5, 7, 6, 2, 5, 5, 6}\\= \frac{5 + 10 + 7 + 5 + 7 + 6 + 2 + 5 + 5 + 6}{10}\\=\frac{58}{10}=5{,}8\)
2. \(\text{7, 10, 8, 1, 4}\\= \frac{7 + 10 + 8 + 1 + 4}{5}\\=\frac{30}{5}=6\)
3. \(\text{5, 1, 6, 2, 10, 3, 3, 9, 9, 1, 5}\\= \frac{5 + 1 + 6 + 2 + 10 + 3 + 3 + 9 + 9 + 1 + 5}{11}\\=\frac{54}{11}\approx 4{,}9\)
4. \(\text{9, 2, 8, 8, 9, 10, 8, 10, 8, 8, 1, 3}\\= \frac{9 + 2 + 8 + 8 + 9 + 10 + 8 + 10 + 8 + 8 + 1 + 3}{12}\\=\frac{84}{12}=7\)
5. \(\text{1, 9, 8, 2, 1, 7, 9}\\= \frac{1 + 9 + 8 + 2 + 1 + 7 + 9}{7}\\=\frac{37}{7}\approx 5{,}3\)
6. \(\text{6, 4, 6, 1, 8, 10, 4, 4, 9}\\= \frac{6 + 4 + 6 + 1 + 8 + 10 + 4 + 4 + 9}{9}\\=\frac{52}{9}\approx 5{,}8\)
7. \(\text{10, 7, 5, 6, 9, 9, 6}\\= \frac{10 + 7 + 5 + 6 + 9 + 9 + 6}{7}\\=\frac{52}{7}\approx 7{,}4\)
8. \(\text{4, 3, 4, 1, 8, 7, 8, 4, 7, 10, 10}\\= \frac{4 + 3 + 4 + 1 + 8 + 7 + 8 + 4 + 7 + 10 + 10}{11}\\=\frac{66}{11}=6\)
9. \(\text{8, 8, 2, 5, 2, 1, 2, 7, 4, 4}\\= \frac{8 + 8 + 2 + 5 + 2 + 1 + 2 + 7 + 4 + 4}{10}\\=\frac{43}{10}=4{,}3\)
10. \(\text{2, 4, 8, 6, 2, 1, 1, 7, 1, 10, 6, 7}\\= \frac{2 + 4 + 8 + 6 + 2 + 1 + 1 + 7 + 1 + 10 + 6 + 7}{12}\\=\frac{55}{12}\approx 4{,}6\)
11. \(\text{10, 1, 10, 1, 4, 2, 1, 10, 10}\\= \frac{10 + 1 + 10 + 1 + 4 + 2 + 1 + 10 + 10}{9}\\=\frac{49}{9}\approx 5{,}4\)
12. \(\text{6, 3, 7, 9, 10}\\= \frac{6 + 3 + 7 + 9 + 10}{5}\\=\frac{35}{5}=7\)