Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 6, 10, 1, 2, 9, 2, 9, 3, 7}\\= \frac{7 + 6 + 10 + 1 + 2 + 9 + 2 + 9 + 3 + 7}{10}\\=\frac{56}{10}=5{,}6\)
2. \(\text{4, 7, 7, 1, 9, 1, 8, 3, 5, 9, 2}\\= \frac{4 + 7 + 7 + 1 + 9 + 1 + 8 + 3 + 5 + 9 + 2}{11}\\=\frac{56}{11}\approx 5{,}1\)
3. \(\text{9, 4, 5, 10, 5, 9, 2, 8}\\= \frac{9 + 4 + 5 + 10 + 5 + 9 + 2 + 8}{8}\\=\frac{52}{8}=6{,}5\)
4. \(\text{8, 10, 10, 6, 1}\\= \frac{8 + 10 + 10 + 6 + 1}{5}\\=\frac{35}{5}=7\)
5. \(\text{2, 1, 4, 6, 4, 2, 1, 10, 1, 9, 10, 7}\\= \frac{2 + 1 + 4 + 6 + 4 + 2 + 1 + 10 + 1 + 9 + 10 + 7}{12}\\=\frac{57}{12}\approx 4{,}8\)
6. \(\text{2, 1, 1, 9, 6, 5, 4, 4}\\= \frac{2 + 1 + 1 + 9 + 6 + 5 + 4 + 4}{8}\\=\frac{32}{8}=4\)
7. \(\text{5, 2, 2, 6, 7, 3, 1}\\= \frac{5 + 2 + 2 + 6 + 7 + 3 + 1}{7}\\=\frac{26}{7}\approx 3{,}7\)
8. \(\text{5, 5, 1, 6, 4}\\= \frac{5 + 5 + 1 + 6 + 4}{5}\\=\frac{21}{5}=4{,}2\)
9. \(\text{3, 1, 4, 3, 3, 5, 5, 5, 8, 4}\\= \frac{3 + 1 + 4 + 3 + 3 + 5 + 5 + 5 + 8 + 4}{10}\\=\frac{41}{10}=4{,}1\)
10. \(\text{10, 3, 3, 7, 3, 5, 4, 10, 9, 3, 8}\\= \frac{10 + 3 + 3 + 7 + 3 + 5 + 4 + 10 + 9 + 3 + 8}{11}\\=\frac{65}{11}\approx 5{,}9\)
11. \(\text{6, 9, 10, 7, 3, 8, 1, 2, 4}\\= \frac{6 + 9 + 10 + 7 + 3 + 8 + 1 + 2 + 4}{9}\\=\frac{50}{9}\approx 5{,}6\)
12. \(\text{3, 10, 7, 9, 9, 9}\\= \frac{3 + 10 + 7 + 9 + 9 + 9}{6}\\=\frac{47}{6}\approx 7{,}8\)