Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{6, 4, 10, 2, 8, 2, 8, 2, 8, 3, 5}\\= \frac{6 + 4 + 10 + 2 + 8 + 2 + 8 + 2 + 8 + 3 + 5}{11}\\=\frac{58}{11}\approx 5{,}3\)
2. \(\text{7, 8, 9, 1, 4, 3, 3, 5, 2, 10}\\= \frac{7 + 8 + 9 + 1 + 4 + 3 + 3 + 5 + 2 + 10}{10}\\=\frac{52}{10}=5{,}2\)
3. \(\text{10, 4, 4, 5, 1, 9, 2, 3, 8}\\= \frac{10 + 4 + 4 + 5 + 1 + 9 + 2 + 3 + 8}{9}\\=\frac{46}{9}\approx 5{,}1\)
4. \(\text{8, 4, 7, 5, 10, 6, 4, 9}\\= \frac{8 + 4 + 7 + 5 + 10 + 6 + 4 + 9}{8}\\=\frac{53}{8}\approx 6{,}6\)
5. \(\text{4, 9, 10, 10, 1, 1, 6, 3, 7, 10, 9, 4}\\= \frac{4 + 9 + 10 + 10 + 1 + 1 + 6 + 3 + 7 + 10 + 9 + 4}{12}\\=\frac{74}{12}\approx 6{,}2\)
6. \(\text{3, 10, 3, 7, 8, 1, 1}\\= \frac{3 + 10 + 3 + 7 + 8 + 1 + 1}{7}\\=\frac{33}{7}\approx 4{,}7\)
7. \(\text{8, 3, 6, 4, 9, 9}\\= \frac{8 + 3 + 6 + 4 + 9 + 9}{6}\\=\frac{39}{6}=6{,}5\)
8. \(\text{10, 10, 2, 7, 10, 7, 7, 8, 7, 8, 9, 2}\\= \frac{10 + 10 + 2 + 7 + 10 + 7 + 7 + 8 + 7 + 8 + 9 + 2}{12}\\=\frac{87}{12}\approx 7{,}3\)
9. \(\text{3, 5, 4, 1, 2, 8, 9, 7, 7, 1}\\= \frac{3 + 5 + 4 + 1 + 2 + 8 + 9 + 7 + 7 + 1}{10}\\=\frac{47}{10}=4{,}7\)
10. \(\text{10, 2, 2, 5, 2, 2, 8, 8, 2, 4, 5}\\= \frac{10 + 2 + 2 + 5 + 2 + 2 + 8 + 8 + 2 + 4 + 5}{11}\\=\frac{50}{11}\approx 4{,}5\)
11. \(\text{10, 8, 2, 7, 3, 3, 6, 1}\\= \frac{10 + 8 + 2 + 7 + 3 + 3 + 6 + 1}{8}\\=\frac{40}{8}=5\)
12. \(\text{3, 6, 10, 2, 3, 6, 6}\\= \frac{3 + 6 + 10 + 2 + 3 + 6 + 6}{7}\\=\frac{36}{7}\approx 5{,}1\)