Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{8, 10, 9, 4, 8, 6, 7, 10, 2, 5}\\= \frac{8 + 10 + 9 + 4 + 8 + 6 + 7 + 10 + 2 + 5}{10}\\=\frac{69}{10}=6{,}9\)
2. \(\text{6, 8, 1, 1, 9, 10}\\= \frac{6 + 8 + 1 + 1 + 9 + 10}{6}\\=\frac{35}{6}\approx 5{,}8\)
3. \(\text{3, 7, 10, 7, 7, 6, 5}\\= \frac{3 + 7 + 10 + 7 + 7 + 6 + 5}{7}\\=\frac{45}{7}\approx 6{,}4\)
4. \(\text{2, 3, 7, 6, 1, 2, 8, 5, 3, 5}\\= \frac{2 + 3 + 7 + 6 + 1 + 2 + 8 + 5 + 3 + 5}{10}\\=\frac{42}{10}=4{,}2\)
5. \(\text{7, 3, 5, 7, 10, 5}\\= \frac{7 + 3 + 5 + 7 + 10 + 5}{6}\\=\frac{37}{6}\approx 6{,}2\)
6. \(\text{10, 5, 1, 6, 1, 4, 1, 9, 5, 10, 7, 6}\\= \frac{10 + 5 + 1 + 6 + 1 + 4 + 1 + 9 + 5 + 10 + 7 + 6}{12}\\=\frac{65}{12}\approx 5{,}4\)
7. \(\text{4, 3, 3, 3, 4, 1, 10, 8, 4}\\= \frac{4 + 3 + 3 + 3 + 4 + 1 + 10 + 8 + 4}{9}\\=\frac{40}{9}\approx 4{,}4\)
8. \(\text{9, 6, 7, 7, 2}\\= \frac{9 + 6 + 7 + 7 + 2}{5}\\=\frac{31}{5}=6{,}2\)
9. \(\text{10, 4, 10, 1, 10, 9, 3, 7, 10}\\= \frac{10 + 4 + 10 + 1 + 10 + 9 + 3 + 7 + 10}{9}\\=\frac{64}{9}\approx 7{,}1\)
10. \(\text{6, 1, 9, 3, 8, 1, 9}\\= \frac{6 + 1 + 9 + 3 + 8 + 1 + 9}{7}\\=\frac{37}{7}\approx 5{,}3\)
11. \(\text{6, 6, 9, 10, 3}\\= \frac{6 + 6 + 9 + 10 + 3}{5}\\=\frac{34}{5}=6{,}8\)
12. \(\text{6, 7, 6, 4, 8, 5, 6, 8, 10, 8, 2, 6}\\= \frac{6 + 7 + 6 + 4 + 8 + 5 + 6 + 8 + 10 + 8 + 2 + 6}{12}\\=\frac{76}{12}\approx 6{,}3\)