Question

The following data represents income distribution of 160 families; calculate mean income of 160 families. Income in '00 Rs 130-140 140-150 150-160 160-170 170-180 180-190 190-200 No. of families 8 17 35 46 34 11 9
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Answer 1

Answer:

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Answer 2

Answer:

haaaa i dont know this answer