Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{6, 7, 4, 9, 8, 9, 2, 5, 7, 5}\\= \frac{6 + 7 + 4 + 9 + 8 + 9 + 2 + 5 + 7 + 5}{10}\\=\frac{62}{10}=6,2\)
2. \(\text{1, 2, 7, 4, 8, 4, 5, 9}\\= \frac{1 + 2 + 7 + 4 + 8 + 4 + 5 + 9}{8}\\=\frac{40}{8}=5\)
3. \(\text{8, 10, 7, 5, 5, 7}\\= \frac{8 + 10 + 7 + 5 + 5 + 7}{6}\\=\frac{42}{6}=7\)
4. \(\text{8, 10, 3, 9, 3, 7}\\= \frac{8 + 10 + 3 + 9 + 3 + 7}{6}\\=\frac{40}{6}\approx 6,7\)
5. \(\text{6, 10, 5, 7, 7, 6, 2, 9, 6, 8, 2}\\= \frac{6 + 10 + 5 + 7 + 7 + 6 + 2 + 9 + 6 + 8 + 2}{11}\\=\frac{68}{11}\approx 6,2\)
6. \(\text{3, 3, 10, 8, 5, 6, 5, 6, 4}\\= \frac{3 + 3 + 10 + 8 + 5 + 6 + 5 + 6 + 4}{9}\\=\frac{50}{9}\approx 5,6\)
7. \(\text{9, 8, 1, 9, 8, 8}\\= \frac{9 + 8 + 1 + 9 + 8 + 8}{6}\\=\frac{43}{6}\approx 7,2\)
8. \(\text{9, 1, 9, 2, 9}\\= \frac{9 + 1 + 9 + 2 + 9}{5}\\=\frac{30}{5}=6\)
9. \(\text{1, 6, 2, 10, 8, 4, 10, 7, 5, 9}\\= \frac{1 + 6 + 2 + 10 + 8 + 4 + 10 + 7 + 5 + 9}{10}\\=\frac{62}{10}=6,2\)
10. \(\text{5, 1, 3, 4, 9, 2}\\= \frac{5 + 1 + 3 + 4 + 9 + 2}{6}\\=\frac{24}{6}=4\)
11. \(\text{7, 9, 6, 9, 4, 10, 10, 8, 1, 7, 5}\\= \frac{7 + 9 + 6 + 9 + 4 + 10 + 10 + 8 + 1 + 7 + 5}{11}\\=\frac{76}{11}\approx 6,9\)
12. \(\text{2, 3, 3, 2, 1, 2, 9, 6, 10, 1}\\= \frac{2 + 3 + 3 + 2 + 1 + 2 + 9 + 6 + 10 + 1}{10}\\=\frac{39}{10}=3,9\)