Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{1, 6, 8, 8, 2, 10}\\= \frac{1 + 6 + 8 + 8 + 2 + 10}{6}\\=\frac{35}{6}\approx 5{,}8\)
2. \(\text{7, 5, 6, 8, 8, 8, 7, 9, 3}\\= \frac{7 + 5 + 6 + 8 + 8 + 8 + 7 + 9 + 3}{9}\\=\frac{61}{9}\approx 6{,}8\)
3. \(\text{1, 7, 1, 4, 8, 2, 10, 2, 9}\\= \frac{1 + 7 + 1 + 4 + 8 + 2 + 10 + 2 + 9}{9}\\=\frac{44}{9}\approx 4{,}9\)
4. \(\text{1, 9, 3, 6, 10, 4, 7, 4}\\= \frac{1 + 9 + 3 + 6 + 10 + 4 + 7 + 4}{8}\\=\frac{44}{8}=5{,}5\)
5. \(\text{6, 6, 3, 3, 3, 10, 2, 4, 5, 4}\\= \frac{6 + 6 + 3 + 3 + 3 + 10 + 2 + 4 + 5 + 4}{10}\\=\frac{46}{10}=4{,}6\)
6. \(\text{5, 7, 4, 1, 9, 8, 9, 9}\\= \frac{5 + 7 + 4 + 1 + 9 + 8 + 9 + 9}{8}\\=\frac{52}{8}=6{,}5\)
7. \(\text{5, 6, 10, 6, 5, 1}\\= \frac{5 + 6 + 10 + 6 + 5 + 1}{6}\\=\frac{33}{6}=5{,}5\)
8. \(\text{10, 5, 2, 6, 10, 3, 10, 8, 7, 10, 8}\\= \frac{10 + 5 + 2 + 6 + 10 + 3 + 10 + 8 + 7 + 10 + 8}{11}\\=\frac{79}{11}\approx 7{,}2\)
9. \(\text{7, 9, 3, 8, 4, 6, 9, 5}\\= \frac{7 + 9 + 3 + 8 + 4 + 6 + 9 + 5}{8}\\=\frac{51}{8}\approx 6{,}4\)
10. \(\text{10, 6, 7, 4, 2, 10, 6, 10, 5}\\= \frac{10 + 6 + 7 + 4 + 2 + 10 + 6 + 10 + 5}{9}\\=\frac{60}{9}\approx 6{,}7\)
11. \(\text{9, 2, 1, 10, 4, 4, 9, 7, 6, 9, 3, 2}\\= \frac{9 + 2 + 1 + 10 + 4 + 4 + 9 + 7 + 6 + 9 + 3 + 2}{12}\\=\frac{66}{12}=5{,}5\)
12. \(\text{10, 6, 3, 6, 7, 7, 1}\\= \frac{10 + 6 + 3 + 6 + 7 + 7 + 1}{7}\\=\frac{40}{7}\approx 5{,}7\)