daily income for a group of 100 workers are given below daily income 0-10,10-20,20-30,30-40,40-50,50-60 no.of person 7,?,20,30,?,5 p30 for this group is rs 110. calculate missing frequency.
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- 1263/7483hhfsgfnw dj d3264|×{62}6~%& ng wu
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