Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{10, 10, 4, 3, 8}\\= \frac{10 + 10 + 4 + 3 + 8}{5}\\=\frac{35}{5}=7\)
2. \(\text{5, 9, 8, 4, 3, 1, 3, 5, 7, 1}\\= \frac{5 + 9 + 8 + 4 + 3 + 1 + 3 + 5 + 7 + 1}{10}\\=\frac{46}{10}=4{,}6\)
3. \(\text{9, 7, 1, 7, 5, 9, 7, 7}\\= \frac{9 + 7 + 1 + 7 + 5 + 9 + 7 + 7}{8}\\=\frac{52}{8}=6{,}5\)
4. \(\text{6, 1, 5, 6, 6, 9, 3, 8}\\= \frac{6 + 1 + 5 + 6 + 6 + 9 + 3 + 8}{8}\\=\frac{44}{8}=5{,}5\)
5. \(\text{2, 9, 10, 6, 3, 1, 4}\\= \frac{2 + 9 + 10 + 6 + 3 + 1 + 4}{7}\\=\frac{35}{7}=5\)
6. \(\text{1, 10, 1, 3, 7, 1}\\= \frac{1 + 10 + 1 + 3 + 7 + 1}{6}\\=\frac{23}{6}\approx 3{,}8\)
7. \(\text{9, 8, 7, 5, 8, 1, 10, 4, 10, 6}\\= \frac{9 + 8 + 7 + 5 + 8 + 1 + 10 + 4 + 10 + 6}{10}\\=\frac{68}{10}=6{,}8\)
8. \(\text{10, 9, 7, 5, 7, 9, 4, 2, 10, 1, 3, 7}\\= \frac{10 + 9 + 7 + 5 + 7 + 9 + 4 + 2 + 10 + 1 + 3 + 7}{12}\\=\frac{74}{12}\approx 6{,}2\)
9. \(\text{5, 10, 7, 3, 2, 7}\\= \frac{5 + 10 + 7 + 3 + 2 + 7}{6}\\=\frac{34}{6}\approx 5{,}7\)
10. \(\text{6, 6, 4, 4, 5, 9, 9}\\= \frac{6 + 6 + 4 + 4 + 5 + 9 + 9}{7}\\=\frac{43}{7}\approx 6{,}1\)
11. \(\text{8, 10, 3, 9, 6, 6, 4, 1}\\= \frac{8 + 10 + 3 + 9 + 6 + 6 + 4 + 1}{8}\\=\frac{47}{8}\approx 5{,}9\)
12. \(\text{8, 2, 9, 5, 9, 5}\\= \frac{8 + 2 + 9 + 5 + 9 + 5}{6}\\=\frac{38}{6}\approx 6{,}3\)