Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{8, 3, 4, 4, 3, 7, 5, 7, 5}\\= \frac{8 + 3 + 4 + 4 + 3 + 7 + 5 + 7 + 5}{9}\\=\frac{46}{9}\approx 5{,}1\)
2. \(\text{7, 10, 2, 3, 4}\\= \frac{7 + 10 + 2 + 3 + 4}{5}\\=\frac{26}{5}=5{,}2\)
3. \(\text{4, 2, 1, 9, 8, 4, 7, 5, 10}\\= \frac{4 + 2 + 1 + 9 + 8 + 4 + 7 + 5 + 10}{9}\\=\frac{50}{9}\approx 5{,}6\)
4. \(\text{9, 8, 5, 9, 6, 2, 10}\\= \frac{9 + 8 + 5 + 9 + 6 + 2 + 10}{7}\\=\frac{49}{7}=7\)
5. \(\text{6, 7, 5, 3, 3, 5, 5, 5}\\= \frac{6 + 7 + 5 + 3 + 3 + 5 + 5 + 5}{8}\\=\frac{39}{8}\approx 4{,}9\)
6. \(\text{10, 2, 3, 9, 1, 6}\\= \frac{10 + 2 + 3 + 9 + 1 + 6}{6}\\=\frac{31}{6}\approx 5{,}2\)
7. \(\text{3, 5, 2, 3, 5}\\= \frac{3 + 5 + 2 + 3 + 5}{5}\\=\frac{18}{5}=3{,}6\)
8. \(\text{2, 9, 3, 5, 4}\\= \frac{2 + 9 + 3 + 5 + 4}{5}\\=\frac{23}{5}=4{,}6\)
9. \(\text{10, 6, 7, 3, 3, 10, 4, 10, 10, 4}\\= \frac{10 + 6 + 7 + 3 + 3 + 10 + 4 + 10 + 10 + 4}{10}\\=\frac{67}{10}=6{,}7\)
10. \(\text{9, 9, 7, 5, 8, 9, 7, 1}\\= \frac{9 + 9 + 7 + 5 + 8 + 9 + 7 + 1}{8}\\=\frac{55}{8}\approx 6{,}9\)
11. \(\text{9, 6, 10, 10, 2, 4, 4, 4}\\= \frac{9 + 6 + 10 + 10 + 2 + 4 + 4 + 4}{8}\\=\frac{49}{8}\approx 6{,}1\)
12. \(\text{6, 6, 3, 8, 1, 8}\\= \frac{6 + 6 + 3 + 8 + 1 + 8}{6}\\=\frac{32}{6}\approx 5{,}3\)