Math, asked by shanlangryntathiang6, 2 months ago

find
the
average markb of the following date
mark : 30-40 40-50 50-60 60-70
no. of students: 3 2 3 1
(using by formula x = £fixi
N

Answers

Answered by ayush6283

0

Answer:

nice question

Step-by-step explanation:

but I cant give answer

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