Question

A survey conducted by a student of B.B.A. for daily income of 600 families is as follows,find the mean income of a family :
Income
200-299
300-399
400-499
500-599
600-699
700-799
800-899

Number of families
3
61
118
139
126
151
2

Answer 1

Step-by-step explanation:

I hope it's clear you.

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