Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{10, 9, 9, 10, 4, 10, 8, 10}\\= \frac{10 + 9 + 9 + 10 + 4 + 10 + 8 + 10}{8}\\=\frac{70}{8}\approx 8,8\)
2. \(\text{8, 9, 10, 7, 8, 3, 7}\\= \frac{8 + 9 + 10 + 7 + 8 + 3 + 7}{7}\\=\frac{52}{7}\approx 7,4\)
3. \(\text{1, 4, 3, 3, 6, 10, 1, 2, 5}\\= \frac{1 + 4 + 3 + 3 + 6 + 10 + 1 + 2 + 5}{9}\\=\frac{35}{9}\approx 3,9\)
4. \(\text{4, 9, 4, 3, 10, 4, 10, 10, 1, 4}\\= \frac{4 + 9 + 4 + 3 + 10 + 4 + 10 + 10 + 1 + 4}{10}\\=\frac{59}{10}=5,9\)
5. \(\text{3, 1, 3, 4, 4, 10, 4, 9, 7}\\= \frac{3 + 1 + 3 + 4 + 4 + 10 + 4 + 9 + 7}{9}\\=\frac{45}{9}=5\)
6. \(\text{8, 3, 10, 6, 6, 3}\\= \frac{8 + 3 + 10 + 6 + 6 + 3}{6}\\=\frac{36}{6}=6\)
7. \(\text{9, 9, 5, 8, 3, 5, 10, 8, 8, 9, 1}\\= \frac{9 + 9 + 5 + 8 + 3 + 5 + 10 + 8 + 8 + 9 + 1}{11}\\=\frac{75}{11}\approx 6,8\)
8. \(\text{7, 3, 7, 6, 6, 7, 6, 8, 4, 5, 9}\\= \frac{7 + 3 + 7 + 6 + 6 + 7 + 6 + 8 + 4 + 5 + 9}{11}\\=\frac{68}{11}\approx 6,2\)
9. \(\text{1, 3, 8, 9, 4, 7, 1}\\= \frac{1 + 3 + 8 + 9 + 4 + 7 + 1}{7}\\=\frac{33}{7}\approx 4,7\)
10. \(\text{5, 3, 10, 3, 3, 8, 10, 4}\\= \frac{5 + 3 + 10 + 3 + 3 + 8 + 10 + 4}{8}\\=\frac{46}{8}\approx 5,8\)
11. \(\text{5, 8, 9, 5, 4, 8}\\= \frac{5 + 8 + 9 + 5 + 4 + 8}{6}\\=\frac{39}{6}=6,5\)
12. \(\text{9, 7, 3, 5, 2}\\= \frac{9 + 7 + 3 + 5 + 2}{5}\\=\frac{26}{5}=5,2\)