Gemiddelde

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Bereken het gemiddelde

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

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Bereken het gemiddelde

Verbetersleutel

1. \(\text{4, 2, 7, 1, 1, 5}\\= \frac{4 + 2 + 7 + 1 + 1 + 5}{6}\\=\frac{20}{6}\approx 3{,}3\)
2. \(\text{7, 8, 6, 2, 10, 7, 7, 6, 7, 7, 10}\\= \frac{7 + 8 + 6 + 2 + 10 + 7 + 7 + 6 + 7 + 7 + 10}{11}\\=\frac{77}{11}=7\)
3. \(\text{9, 10, 7, 4, 6, 3, 10, 9, 8, 2, 2, 6}\\= \frac{9 + 10 + 7 + 4 + 6 + 3 + 10 + 9 + 8 + 2 + 2 + 6}{12}\\=\frac{76}{12}\approx 6{,}3\)
4. \(\text{7, 9, 5, 5, 7, 3, 1}\\= \frac{7 + 9 + 5 + 5 + 7 + 3 + 1}{7}\\=\frac{37}{7}\approx 5{,}3\)
5. \(\text{8, 9, 6, 1, 5, 10, 4, 10}\\= \frac{8 + 9 + 6 + 1 + 5 + 10 + 4 + 10}{8}\\=\frac{53}{8}\approx 6{,}6\)
6. \(\text{6, 6, 1, 10, 3, 2}\\= \frac{6 + 6 + 1 + 10 + 3 + 2}{6}\\=\frac{28}{6}\approx 4{,}7\)
7. \(\text{1, 3, 8, 3, 1, 2}\\= \frac{1 + 3 + 8 + 3 + 1 + 2}{6}\\=\frac{18}{6}=3\)
8. \(\text{8, 5, 5, 5, 6, 4, 5, 2, 8, 1, 9}\\= \frac{8 + 5 + 5 + 5 + 6 + 4 + 5 + 2 + 8 + 1 + 9}{11}\\=\frac{58}{11}\approx 5{,}3\)
9. \(\text{6, 1, 8, 4, 3}\\= \frac{6 + 1 + 8 + 4 + 3}{5}\\=\frac{22}{5}=4{,}4\)
10. \(\text{10, 7, 1, 6, 1, 7, 10, 4}\\= \frac{10 + 7 + 1 + 6 + 1 + 7 + 10 + 4}{8}\\=\frac{46}{8}\approx 5{,}8\)
11. \(\text{1, 5, 7, 3, 1, 10}\\= \frac{1 + 5 + 7 + 3 + 1 + 10}{6}\\=\frac{27}{6}=4{,}5\)
12. \(\text{6, 4, 8, 9, 2}\\= \frac{6 + 4 + 8 + 9 + 2}{5}\\=\frac{29}{5}=5{,}8\)