Math, asked by nishtha123456, 11 months ago

find the mean :
class
0-10
10-20
20-30
30-40
40-50
50-60
60-70

f
7
2
8
2
1​

Answers

Answered by shree9963
0

Answer:

Sorry can't understand

Answered by Aadiya16
0

2.....................

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