Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 6, 9, 2, 10, 10, 9, 2, 2}\\= \frac{7 + 6 + 9 + 2 + 10 + 10 + 9 + 2 + 2}{9}\\=\frac{57}{9}\approx 6{,}3\)
2. \(\text{7, 5, 7, 4, 1, 10, 8, 2, 3, 6}\\= \frac{7 + 5 + 7 + 4 + 1 + 10 + 8 + 2 + 3 + 6}{10}\\=\frac{53}{10}=5{,}3\)
3. \(\text{10, 4, 5, 4, 9, 7, 9, 6, 4, 6, 1, 3}\\= \frac{10 + 4 + 5 + 4 + 9 + 7 + 9 + 6 + 4 + 6 + 1 + 3}{12}\\=\frac{68}{12}\approx 5{,}7\)
4. \(\text{1, 8, 4, 2, 4, 1, 4, 1}\\= \frac{1 + 8 + 4 + 2 + 4 + 1 + 4 + 1}{8}\\=\frac{25}{8}\approx 3{,}1\)
5. \(\text{7, 5, 8, 10, 6, 7, 4, 7, 6, 2, 9, 3}\\= \frac{7 + 5 + 8 + 10 + 6 + 7 + 4 + 7 + 6 + 2 + 9 + 3}{12}\\=\frac{74}{12}\approx 6{,}2\)
6. \(\text{1, 9, 3, 7, 4, 1, 4}\\= \frac{1 + 9 + 3 + 7 + 4 + 1 + 4}{7}\\=\frac{29}{7}\approx 4{,}1\)
7. \(\text{6, 3, 6, 1, 5}\\= \frac{6 + 3 + 6 + 1 + 5}{5}\\=\frac{21}{5}=4{,}2\)
8. \(\text{4, 1, 8, 3, 7, 3, 5, 4, 10, 1, 6}\\= \frac{4 + 1 + 8 + 3 + 7 + 3 + 5 + 4 + 10 + 1 + 6}{11}\\=\frac{52}{11}\approx 4{,}7\)
9. \(\text{8, 3, 6, 10, 10, 4, 4}\\= \frac{8 + 3 + 6 + 10 + 10 + 4 + 4}{7}\\=\frac{45}{7}\approx 6{,}4\)
10. \(\text{9, 5, 8, 8, 6, 5, 10, 4}\\= \frac{9 + 5 + 8 + 8 + 6 + 5 + 10 + 4}{8}\\=\frac{55}{8}\approx 6{,}9\)
11. \(\text{9, 7, 8, 1, 5, 4}\\= \frac{9 + 7 + 8 + 1 + 5 + 4}{6}\\=\frac{34}{6}\approx 5{,}7\)
12. \(\text{3, 10, 8, 3, 6, 7, 4, 5, 1, 6}\\= \frac{3 + 10 + 8 + 3 + 6 + 7 + 4 + 5 + 1 + 6}{10}\\=\frac{53}{10}=5{,}3\)