Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{8, 5, 7, 1, 1, 2}\\= \frac{8 + 5 + 7 + 1 + 1 + 2}{6}\\=\frac{24}{6}=4\)
2. \(\text{5, 10, 10, 1, 9}\\= \frac{5 + 10 + 10 + 1 + 9}{5}\\=\frac{35}{5}=7\)
3. \(\text{3, 9, 10, 5, 3, 10, 6}\\= \frac{3 + 9 + 10 + 5 + 3 + 10 + 6}{7}\\=\frac{46}{7}\approx 6,6\)
4. \(\text{7, 10, 2, 1, 2, 9, 3, 2, 3, 3}\\= \frac{7 + 10 + 2 + 1 + 2 + 9 + 3 + 2 + 3 + 3}{10}\\=\frac{42}{10}=4,2\)
5. \(\text{8, 4, 7, 9, 1, 9, 6}\\= \frac{8 + 4 + 7 + 9 + 1 + 9 + 6}{7}\\=\frac{44}{7}\approx 6,3\)
6. \(\text{10, 3, 7, 9, 4, 2, 9, 4, 1, 3, 6, 9}\\= \frac{10 + 3 + 7 + 9 + 4 + 2 + 9 + 4 + 1 + 3 + 6 + 9}{12}\\=\frac{67}{12}\approx 5,6\)
7. \(\text{7, 8, 2, 9, 4, 2, 8, 8, 8, 3, 5}\\= \frac{7 + 8 + 2 + 9 + 4 + 2 + 8 + 8 + 8 + 3 + 5}{11}\\=\frac{64}{11}\approx 5,8\)
8. \(\text{3, 4, 7, 4, 8}\\= \frac{3 + 4 + 7 + 4 + 8}{5}\\=\frac{26}{5}=5,2\)
9. \(\text{8, 4, 4, 9, 5, 4, 4, 9, 6, 6, 10}\\= \frac{8 + 4 + 4 + 9 + 5 + 4 + 4 + 9 + 6 + 6 + 10}{11}\\=\frac{69}{11}\approx 6,3\)
10. \(\text{1, 10, 6, 7, 10, 5, 3, 6}\\= \frac{1 + 10 + 6 + 7 + 10 + 5 + 3 + 6}{8}\\=\frac{48}{8}=6\)
11. \(\text{7, 9, 9, 9, 3, 6, 7}\\= \frac{7 + 9 + 9 + 9 + 3 + 6 + 7}{7}\\=\frac{50}{7}\approx 7,1\)
12. \(\text{10, 2, 3, 4, 2, 8, 4, 7, 5, 10, 5, 5}\\= \frac{10 + 2 + 3 + 4 + 2 + 8 + 4 + 7 + 5 + 10 + 5 + 5}{12}\\=\frac{65}{12}\approx 5,4\)