# Gemiddelde

#### Bereken het gemiddelde

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

#### Bereken het gemiddelde

##### Verbetersleutel

1. $$\text{2, 8, 7, 5, 9, 7, 10, 2, 8}\\= \frac{2 + 8 + 7 + 5 + 9 + 7 + 10 + 2 + 8}{9}\\=\frac{58}{9}\approx 6,4$$
2. $$\text{7, 2, 7, 3, 8, 7, 4, 9, 6, 10, 5}\\= \frac{7 + 2 + 7 + 3 + 8 + 7 + 4 + 9 + 6 + 10 + 5}{11}\\=\frac{68}{11}\approx 6,2$$
3. $$\text{8, 7, 7, 10, 9}\\= \frac{8 + 7 + 7 + 10 + 9}{5}\\=\frac{41}{5}=8,2$$
4. $$\text{5, 4, 10, 10, 3, 1}\\= \frac{5 + 4 + 10 + 10 + 3 + 1}{6}\\=\frac{33}{6}=5,5$$
5. $$\text{1, 5, 3, 1, 4, 10, 3}\\= \frac{1 + 5 + 3 + 1 + 4 + 10 + 3}{7}\\=\frac{27}{7}\approx 3,9$$
6. $$\text{5, 6, 9, 10, 10, 6, 8, 2, 7}\\= \frac{5 + 6 + 9 + 10 + 10 + 6 + 8 + 2 + 7}{9}\\=\frac{63}{9}=7$$
7. $$\text{4, 6, 2, 8, 8, 5, 10, 4, 3, 4, 9, 7}\\= \frac{4 + 6 + 2 + 8 + 8 + 5 + 10 + 4 + 3 + 4 + 9 + 7}{12}\\=\frac{70}{12}\approx 5,8$$
8. $$\text{2, 2, 10, 9, 6, 4, 4, 2, 7, 1, 2}\\= \frac{2 + 2 + 10 + 9 + 6 + 4 + 4 + 2 + 7 + 1 + 2}{11}\\=\frac{49}{11}\approx 4,5$$
9. $$\text{6, 8, 3, 2, 9, 3, 2, 8}\\= \frac{6 + 8 + 3 + 2 + 9 + 3 + 2 + 8}{8}\\=\frac{41}{8}\approx 5,1$$
10. $$\text{8, 7, 10, 4, 4, 9, 1}\\= \frac{8 + 7 + 10 + 4 + 4 + 9 + 1}{7}\\=\frac{43}{7}\approx 6,1$$
11. $$\text{9, 6, 1, 5, 8, 9, 10, 7, 2, 3, 8}\\= \frac{9 + 6 + 1 + 5 + 8 + 9 + 10 + 7 + 2 + 3 + 8}{11}\\=\frac{68}{11}\approx 6,2$$
12. $$\text{5, 3, 3, 7, 5, 5, 10, 6, 2}\\= \frac{5 + 3 + 3 + 7 + 5 + 5 + 10 + 6 + 2}{9}\\=\frac{46}{9}\approx 5,1$$
Oefeningengenerator vanhoeckes.be/wiskunde 2024-08-09 04:45:39