Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{1, 5, 3, 3, 10, 1}\\= \frac{1 + 5 + 3 + 3 + 10 + 1}{6}\\=\frac{23}{6}\approx 3{,}8\)
2. \(\text{8, 10, 5, 3, 8, 9, 6, 10, 9, 4, 8, 1}\\= \frac{8 + 10 + 5 + 3 + 8 + 9 + 6 + 10 + 9 + 4 + 8 + 1}{12}\\=\frac{81}{12}\approx 6{,}8\)
3. \(\text{3, 1, 9, 5, 10}\\= \frac{3 + 1 + 9 + 5 + 10}{5}\\=\frac{28}{5}=5{,}6\)
4. \(\text{10, 3, 1, 4, 10, 8}\\= \frac{10 + 3 + 1 + 4 + 10 + 8}{6}\\=\frac{36}{6}=6\)
5. \(\text{9, 2, 4, 2, 6, 6, 5, 3, 5, 3, 5}\\= \frac{9 + 2 + 4 + 2 + 6 + 6 + 5 + 3 + 5 + 3 + 5}{11}\\=\frac{50}{11}\approx 4{,}5\)
6. \(\text{1, 3, 10, 10, 3, 1, 9, 6, 3}\\= \frac{1 + 3 + 10 + 10 + 3 + 1 + 9 + 6 + 3}{9}\\=\frac{46}{9}\approx 5{,}1\)
7. \(\text{2, 7, 2, 1, 7, 8, 9, 7, 7, 9}\\= \frac{2 + 7 + 2 + 1 + 7 + 8 + 9 + 7 + 7 + 9}{10}\\=\frac{59}{10}=5{,}9\)
8. \(\text{1, 9, 4, 5, 5}\\= \frac{1 + 9 + 4 + 5 + 5}{5}\\=\frac{24}{5}=4{,}8\)
9. \(\text{9, 5, 7, 3, 6}\\= \frac{9 + 5 + 7 + 3 + 6}{5}\\=\frac{30}{5}=6\)
10. \(\text{8, 10, 2, 7, 1, 6, 10, 1}\\= \frac{8 + 10 + 2 + 7 + 1 + 6 + 10 + 1}{8}\\=\frac{45}{8}\approx 5{,}6\)
11. \(\text{5, 8, 5, 2, 3, 1, 9, 4, 3, 5, 3, 7}\\= \frac{5 + 8 + 5 + 2 + 3 + 1 + 9 + 4 + 3 + 5 + 3 + 7}{12}\\=\frac{55}{12}\approx 4{,}6\)
12. \(\text{1, 10, 10, 10, 3, 6, 3, 4}\\= \frac{1 + 10 + 10 + 10 + 3 + 6 + 3 + 4}{8}\\=\frac{47}{8}\approx 5{,}9\)