Question

Calculate Mean of the following data:
70-80
X
F.
0-10
3
10-20
10
20-30
17
30-40
7
40-50
6
50-60
4
60-70
2
1
shan
iction possibilities curve based
the following​

Answer 1

Answer:

i can't understanding this

Answer 2

Answer:

4756678877654667⁷666788