Following is the table relates to weight of 100 students . calculated – InterviewSolution

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1.	Following is the table relates to weight of 100 students . calculated arithmetic mean using shortcut method ? class 10 nios weght 20-3030_4040_5050_6060_7070_80 no of students 7103530810
Answer» Students di( xi-A) fidi 20-30 7 -28 -19630-40 10 -25 -25040-50 35 0 050-60 30 -5 -60060-70 8 -27 -21670-80 10 -20 -200mean = A + fidi / fi = 35 + (-1462) / 100 = 35 - 14.62 the mean is 20.38hope this helps...plz MARK as brainliest...xoxo

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