Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{6, 7, 7, 9, 5, 10}\\= \frac{6 + 7 + 7 + 9 + 5 + 10}{6}\\=\frac{44}{6}\approx 7{,}3\)
2. \(\text{2, 9, 4, 1, 2}\\= \frac{2 + 9 + 4 + 1 + 2}{5}\\=\frac{18}{5}=3{,}6\)
3. \(\text{4, 1, 4, 8, 1, 1, 6, 4, 6, 8, 2}\\= \frac{4 + 1 + 4 + 8 + 1 + 1 + 6 + 4 + 6 + 8 + 2}{11}\\=\frac{45}{11}\approx 4{,}1\)
4. \(\text{6, 1, 5, 1, 1, 5, 7, 2, 9}\\= \frac{6 + 1 + 5 + 1 + 1 + 5 + 7 + 2 + 9}{9}\\=\frac{37}{9}\approx 4{,}1\)
5. \(\text{3, 8, 8, 5, 5, 4, 10, 6, 5, 8}\\= \frac{3 + 8 + 8 + 5 + 5 + 4 + 10 + 6 + 5 + 8}{10}\\=\frac{62}{10}=6{,}2\)
6. \(\text{1, 10, 6, 2, 1, 6, 7}\\= \frac{1 + 10 + 6 + 2 + 1 + 6 + 7}{7}\\=\frac{33}{7}\approx 4{,}7\)
7. \(\text{3, 8, 6, 4, 7, 9, 1}\\= \frac{3 + 8 + 6 + 4 + 7 + 9 + 1}{7}\\=\frac{38}{7}\approx 5{,}4\)
8. \(\text{2, 4, 8, 7, 10, 6, 2, 5}\\= \frac{2 + 4 + 8 + 7 + 10 + 6 + 2 + 5}{8}\\=\frac{44}{8}=5{,}5\)
9. \(\text{1, 7, 3, 10, 1, 5, 5, 10, 8, 5, 2, 2}\\= \frac{1 + 7 + 3 + 10 + 1 + 5 + 5 + 10 + 8 + 5 + 2 + 2}{12}\\=\frac{59}{12}\approx 4{,}9\)
10. \(\text{10, 6, 3, 1, 10, 9, 1, 9, 7, 5, 10, 5}\\= \frac{10 + 6 + 3 + 1 + 10 + 9 + 1 + 9 + 7 + 5 + 10 + 5}{12}\\=\frac{76}{12}\approx 6{,}3\)
11. \(\text{7, 7, 8, 9, 5, 2, 10, 9, 1, 3, 1}\\= \frac{7 + 7 + 8 + 9 + 5 + 2 + 10 + 9 + 1 + 3 + 1}{11}\\=\frac{62}{11}\approx 5{,}6\)
12. \(\text{2, 3, 8, 8, 2, 9, 7}\\= \frac{2 + 3 + 8 + 8 + 2 + 9 + 7}{7}\\=\frac{39}{7}\approx 5{,}6\)