Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 4, 3, 5, 3, 9, 6, 9, 6, 5, 7}\\= \frac{7 + 4 + 3 + 5 + 3 + 9 + 6 + 9 + 6 + 5 + 7}{11}\\=\frac{64}{11}\approx 5{,}8\)
2. \(\text{4, 7, 1, 1, 1, 9, 2}\\= \frac{4 + 7 + 1 + 1 + 1 + 9 + 2}{7}\\=\frac{25}{7}\approx 3{,}6\)
3. \(\text{7, 3, 3, 3, 3, 6, 5, 2, 6, 10}\\= \frac{7 + 3 + 3 + 3 + 3 + 6 + 5 + 2 + 6 + 10}{10}\\=\frac{48}{10}=4{,}8\)
4. \(\text{3, 1, 8, 2, 9}\\= \frac{3 + 1 + 8 + 2 + 9}{5}\\=\frac{23}{5}=4{,}6\)
5. \(\text{8, 8, 1, 9, 2, 7, 3}\\= \frac{8 + 8 + 1 + 9 + 2 + 7 + 3}{7}\\=\frac{38}{7}\approx 5{,}4\)
6. \(\text{9, 9, 10, 9, 2, 6}\\= \frac{9 + 9 + 10 + 9 + 2 + 6}{6}\\=\frac{45}{6}=7{,}5\)
7. \(\text{7, 6, 1, 1, 6}\\= \frac{7 + 6 + 1 + 1 + 6}{5}\\=\frac{21}{5}=4{,}2\)
8. \(\text{3, 9, 2, 8, 3, 3, 4, 3, 3, 2}\\= \frac{3 + 9 + 2 + 8 + 3 + 3 + 4 + 3 + 3 + 2}{10}\\=\frac{40}{10}=4\)
9. \(\text{8, 6, 7, 8, 4, 2}\\= \frac{8 + 6 + 7 + 8 + 4 + 2}{6}\\=\frac{35}{6}\approx 5{,}8\)
10. \(\text{6, 8, 9, 4, 2}\\= \frac{6 + 8 + 9 + 4 + 2}{5}\\=\frac{29}{5}=5{,}8\)
11. \(\text{6, 9, 2, 3, 4, 8, 5, 3}\\= \frac{6 + 9 + 2 + 3 + 4 + 8 + 5 + 3}{8}\\=\frac{40}{8}=5\)
12. \(\text{5, 9, 5, 2, 4, 7, 6, 6, 5, 8}\\= \frac{5 + 9 + 5 + 2 + 4 + 7 + 6 + 6 + 5 + 8}{10}\\=\frac{57}{10}=5{,}7\)