Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{5, 5, 9, 4, 8, 2, 10, 9, 8, 7, 1, 4}\\= \frac{5 + 5 + 9 + 4 + 8 + 2 + 10 + 9 + 8 + 7 + 1 + 4}{12}\\=\frac{72}{12}=6\)
2. \(\text{1, 3, 4, 4, 5, 8, 6, 5, 3, 7, 1, 6}\\= \frac{1 + 3 + 4 + 4 + 5 + 8 + 6 + 5 + 3 + 7 + 1 + 6}{12}\\=\frac{53}{12}\approx 4,4\)
3. \(\text{6, 6, 10, 8, 10, 5, 3, 5, 1}\\= \frac{6 + 6 + 10 + 8 + 10 + 5 + 3 + 5 + 1}{9}\\=\frac{54}{9}=6\)
4. \(\text{5, 7, 8, 4, 5, 5, 2}\\= \frac{5 + 7 + 8 + 4 + 5 + 5 + 2}{7}\\=\frac{36}{7}\approx 5,1\)
5. \(\text{7, 7, 7, 6, 7, 9, 6, 2, 2, 5, 4}\\= \frac{7 + 7 + 7 + 6 + 7 + 9 + 6 + 2 + 2 + 5 + 4}{11}\\=\frac{62}{11}\approx 5,6\)
6. \(\text{5, 8, 6, 9, 4, 5, 9, 9, 10, 1, 2}\\= \frac{5 + 8 + 6 + 9 + 4 + 5 + 9 + 9 + 10 + 1 + 2}{11}\\=\frac{68}{11}\approx 6,2\)
7. \(\text{6, 9, 10, 8, 9, 2, 9, 5}\\= \frac{6 + 9 + 10 + 8 + 9 + 2 + 9 + 5}{8}\\=\frac{58}{8}\approx 7,3\)
8. \(\text{2, 6, 1, 2, 5, 2, 2, 5, 7, 4}\\= \frac{2 + 6 + 1 + 2 + 5 + 2 + 2 + 5 + 7 + 4}{10}\\=\frac{36}{10}=3,6\)
9. \(\text{5, 9, 10, 6, 8, 1, 6, 8, 6}\\= \frac{5 + 9 + 10 + 6 + 8 + 1 + 6 + 8 + 6}{9}\\=\frac{59}{9}\approx 6,6\)
10. \(\text{8, 8, 10, 1, 5, 4, 3, 9}\\= \frac{8 + 8 + 10 + 1 + 5 + 4 + 3 + 9}{8}\\=\frac{48}{8}=6\)
11. \(\text{6, 9, 2, 6, 3}\\= \frac{6 + 9 + 2 + 6 + 3}{5}\\=\frac{26}{5}=5,2\)
12. \(\text{10, 5, 9, 8, 7, 5, 7}\\= \frac{10 + 5 + 9 + 8 + 7 + 5 + 7}{7}\\=\frac{51}{7}\approx 7,3\)