Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{5, 10, 10, 4, 6, 1, 1}\\= \frac{5 + 10 + 10 + 4 + 6 + 1 + 1}{7}\\=\frac{37}{7}\approx 5{,}3\)
2. \(\text{7, 1, 5, 2, 2, 10, 3, 9, 4, 5, 10, 7}\\= \frac{7 + 1 + 5 + 2 + 2 + 10 + 3 + 9 + 4 + 5 + 10 + 7}{12}\\=\frac{65}{12}\approx 5{,}4\)
3. \(\text{1, 6, 3, 7, 6, 10, 5, 9}\\= \frac{1 + 6 + 3 + 7 + 6 + 10 + 5 + 9}{8}\\=\frac{47}{8}\approx 5{,}9\)
4. \(\text{10, 1, 7, 5, 8, 10, 9, 1, 5, 7}\\= \frac{10 + 1 + 7 + 5 + 8 + 10 + 9 + 1 + 5 + 7}{10}\\=\frac{63}{10}=6{,}3\)
5. \(\text{8, 6, 1, 7, 6, 1, 3, 7, 7, 8}\\= \frac{8 + 6 + 1 + 7 + 6 + 1 + 3 + 7 + 7 + 8}{10}\\=\frac{54}{10}=5{,}4\)
6. \(\text{5, 8, 10, 6, 10}\\= \frac{5 + 8 + 10 + 6 + 10}{5}\\=\frac{39}{5}=7{,}8\)
7. \(\text{4, 8, 2, 10, 4, 8, 4}\\= \frac{4 + 8 + 2 + 10 + 4 + 8 + 4}{7}\\=\frac{40}{7}\approx 5{,}7\)
8. \(\text{6, 9, 6, 4, 4, 4, 10, 10, 8, 2, 7}\\= \frac{6 + 9 + 6 + 4 + 4 + 4 + 10 + 10 + 8 + 2 + 7}{11}\\=\frac{70}{11}\approx 6{,}4\)
9. \(\text{1, 6, 10, 1, 1, 4, 8, 2, 4, 4, 7, 3}\\= \frac{1 + 6 + 10 + 1 + 1 + 4 + 8 + 2 + 4 + 4 + 7 + 3}{12}\\=\frac{51}{12}\approx 4{,}3\)
10. \(\text{5, 9, 2, 8, 5, 1, 9}\\= \frac{5 + 9 + 2 + 8 + 5 + 1 + 9}{7}\\=\frac{39}{7}\approx 5{,}6\)
11. \(\text{7, 7, 5, 8, 6}\\= \frac{7 + 7 + 5 + 8 + 6}{5}\\=\frac{33}{5}=6{,}6\)
12. \(\text{8, 7, 9, 3, 4, 5}\\= \frac{8 + 7 + 9 + 3 + 4 + 5}{6}\\=\frac{36}{6}=6\)