Respuesta :

salomerailoa

Answer:

20.89

Step-by-step explanation:

x f fx

1 6 6

2 4 8

3 5 15

4 3 12

5 3 15

6 2 12

8 1 8

9 2 18

10 4 40 average=fx/f

12 3 36 = 961/46

14 2 28 = 20.89

19 1 19

24 1 24

26 1 26

31 1 31

32 1 32

56 1 56

67 1 67

100 1 100

102 1 102

150 1 150

156 1 156

total: 46 961