Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{2, 1, 6, 6, 8, 6, 8, 2, 5, 7, 7}\\= \frac{2 + 1 + 6 + 6 + 8 + 6 + 8 + 2 + 5 + 7 + 7}{11}\\=\frac{58}{11}\approx 5,3\)
2. \(\text{6, 7, 6, 1, 9, 9, 1, 1, 10, 6, 2, 7}\\= \frac{6 + 7 + 6 + 1 + 9 + 9 + 1 + 1 + 10 + 6 + 2 + 7}{12}\\=\frac{65}{12}\approx 5,4\)
3. \(\text{10, 10, 5, 7, 9, 2, 7, 3, 2, 10}\\= \frac{10 + 10 + 5 + 7 + 9 + 2 + 7 + 3 + 2 + 10}{10}\\=\frac{65}{10}=6,5\)
4. \(\text{6, 5, 7, 3, 6, 10}\\= \frac{6 + 5 + 7 + 3 + 6 + 10}{6}\\=\frac{37}{6}\approx 6,2\)
5. \(\text{4, 8, 2, 3, 8}\\= \frac{4 + 8 + 2 + 3 + 8}{5}\\=\frac{25}{5}=5\)
6. \(\text{5, 2, 1, 5, 2, 3, 10}\\= \frac{5 + 2 + 1 + 5 + 2 + 3 + 10}{7}\\=\frac{28}{7}=4\)
7. \(\text{8, 3, 9, 4, 3, 5, 9, 10, 7}\\= \frac{8 + 3 + 9 + 4 + 3 + 5 + 9 + 10 + 7}{9}\\=\frac{58}{9}\approx 6,4\)
8. \(\text{5, 4, 1, 9, 4, 8, 9, 8, 8}\\= \frac{5 + 4 + 1 + 9 + 4 + 8 + 9 + 8 + 8}{9}\\=\frac{56}{9}\approx 6,2\)
9. \(\text{6, 10, 3, 10, 9, 7, 1, 4, 10, 10, 8}\\= \frac{6 + 10 + 3 + 10 + 9 + 7 + 1 + 4 + 10 + 10 + 8}{11}\\=\frac{78}{11}\approx 7,1\)
10. \(\text{2, 8, 2, 10, 6, 1, 1, 9, 9, 1, 9}\\= \frac{2 + 8 + 2 + 10 + 6 + 1 + 1 + 9 + 9 + 1 + 9}{11}\\=\frac{58}{11}\approx 5,3\)
11. \(\text{7, 8, 10, 6, 4, 5, 2}\\= \frac{7 + 8 + 10 + 6 + 4 + 5 + 2}{7}\\=\frac{42}{7}=6\)
12. \(\text{6, 8, 9, 10, 7, 7, 9, 2}\\= \frac{6 + 8 + 9 + 10 + 7 + 7 + 9 + 2}{8}\\=\frac{58}{8}\approx 7,3\)