Math, asked by vinayaka2005, 9 months ago

•3. The following are the marks obtained by 70 boys in a class test.
Marks
30 - 40
40 - 50
50 - 60
60 - 70
70 - 80
80 - 90 90 – 100
12
14
12
9
7
6
No. of boys
10
Calculate the mean by
direct methord

Answers

Answered by parteek35

0

Answer:

mark this answer brainliest please please please please please please

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