Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{7, 4, 1, 2, 3}\\= \frac{7 + 4 + 1 + 2 + 3}{5}\\=\frac{17}{5}=3,4\)
2. \(\text{2, 1, 5, 3, 4, 1, 9, 7, 4, 5, 4}\\= \frac{2 + 1 + 5 + 3 + 4 + 1 + 9 + 7 + 4 + 5 + 4}{11}\\=\frac{45}{11}\approx 4,1\)
3. \(\text{3, 9, 9, 1, 4, 2, 8, 8, 6, 1, 3, 2}\\= \frac{3 + 9 + 9 + 1 + 4 + 2 + 8 + 8 + 6 + 1 + 3 + 2}{12}\\=\frac{56}{12}\approx 4,7\)
4. \(\text{5, 2, 2, 8, 4, 7, 3, 4, 8, 6}\\= \frac{5 + 2 + 2 + 8 + 4 + 7 + 3 + 4 + 8 + 6}{10}\\=\frac{49}{10}=4,9\)
5. \(\text{4, 3, 9, 1, 4, 10, 6, 10, 6, 4, 1, 9}\\= \frac{4 + 3 + 9 + 1 + 4 + 10 + 6 + 10 + 6 + 4 + 1 + 9}{12}\\=\frac{67}{12}\approx 5,6\)
6. \(\text{1, 2, 2, 1, 3, 8, 1, 7, 8}\\= \frac{1 + 2 + 2 + 1 + 3 + 8 + 1 + 7 + 8}{9}\\=\frac{33}{9}\approx 3,7\)
7. \(\text{5, 3, 6, 5, 5, 6, 9, 8, 3, 5, 7, 9}\\= \frac{5 + 3 + 6 + 5 + 5 + 6 + 9 + 8 + 3 + 5 + 7 + 9}{12}\\=\frac{71}{12}\approx 5,9\)
8. \(\text{6, 1, 6, 3, 1, 8, 4, 10, 3, 2, 3}\\= \frac{6 + 1 + 6 + 3 + 1 + 8 + 4 + 10 + 3 + 2 + 3}{11}\\=\frac{47}{11}\approx 4,3\)
9. \(\text{7, 2, 4, 3, 1, 8, 1, 5, 9}\\= \frac{7 + 2 + 4 + 3 + 1 + 8 + 1 + 5 + 9}{9}\\=\frac{40}{9}\approx 4,4\)
10. \(\text{1, 1, 3, 4, 10, 2, 3, 5, 8, 1, 7, 6}\\= \frac{1 + 1 + 3 + 4 + 10 + 2 + 3 + 5 + 8 + 1 + 7 + 6}{12}\\=\frac{51}{12}\approx 4,3\)
11. \(\text{6, 10, 3, 5, 1, 7}\\= \frac{6 + 10 + 3 + 5 + 1 + 7}{6}\\=\frac{32}{6}\approx 5,3\)
12. \(\text{9, 1, 4, 3, 9, 9}\\= \frac{9 + 1 + 4 + 3 + 9 + 9}{6}\\=\frac{35}{6}\approx 5,8\)