Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 1, 2, 1, 8, 1, 8, 6}\\= \frac{7 + 1 + 2 + 1 + 8 + 1 + 8 + 6}{8}\\=\frac{34}{8}\approx 4,3\)
2. \(\text{8, 1, 10, 10, 2, 9, 8, 5, 9, 3, 4}\\= \frac{8 + 1 + 10 + 10 + 2 + 9 + 8 + 5 + 9 + 3 + 4}{11}\\=\frac{69}{11}\approx 6,3\)
3. \(\text{2, 6, 10, 10, 6, 1, 3}\\= \frac{2 + 6 + 10 + 10 + 6 + 1 + 3}{7}\\=\frac{38}{7}\approx 5,4\)
4. \(\text{1, 4, 7, 6, 10, 3, 8, 3, 8}\\= \frac{1 + 4 + 7 + 6 + 10 + 3 + 8 + 3 + 8}{9}\\=\frac{50}{9}\approx 5,6\)
5. \(\text{7, 7, 5, 6, 3, 2, 2, 4, 10, 4}\\= \frac{7 + 7 + 5 + 6 + 3 + 2 + 2 + 4 + 10 + 4}{10}\\=\frac{50}{10}=5\)
6. \(\text{10, 10, 9, 6, 7, 1}\\= \frac{10 + 10 + 9 + 6 + 7 + 1}{6}\\=\frac{43}{6}\approx 7,2\)
7. \(\text{5, 2, 8, 8, 5, 8, 6}\\= \frac{5 + 2 + 8 + 8 + 5 + 8 + 6}{7}\\=\frac{42}{7}=6\)
8. \(\text{6, 1, 7, 7, 7, 4, 2, 8, 1, 6, 2}\\= \frac{6 + 1 + 7 + 7 + 7 + 4 + 2 + 8 + 1 + 6 + 2}{11}\\=\frac{51}{11}\approx 4,6\)
9. \(\text{3, 1, 2, 7, 2, 7, 9, 10, 8, 4, 10, 8}\\= \frac{3 + 1 + 2 + 7 + 2 + 7 + 9 + 10 + 8 + 4 + 10 + 8}{12}\\=\frac{71}{12}\approx 5,9\)
10. \(\text{3, 5, 5, 1, 4, 2, 2, 5}\\= \frac{3 + 5 + 5 + 1 + 4 + 2 + 2 + 5}{8}\\=\frac{27}{8}\approx 3,4\)
11. \(\text{2, 7, 9, 5, 1, 8, 8, 2, 9, 5, 7, 5}\\= \frac{2 + 7 + 9 + 5 + 1 + 8 + 8 + 2 + 9 + 5 + 7 + 5}{12}\\=\frac{68}{12}\approx 5,7\)
12. \(\text{1, 6, 2, 1, 9, 8, 4, 9, 8}\\= \frac{1 + 6 + 2 + 1 + 9 + 8 + 4 + 9 + 8}{9}\\=\frac{48}{9}\approx 5,3\)