how to solve this question?? pls help me this question is from class 10 chapter 14 statistic ( this question is not from any book this question is from my school's worksheet) use this formula :- Mean(x) = A + Σfiui/Σfi × c
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how to solve this question?? pls help me this question is from class 10 chapter 14 statistic ( this question is not from any book this question is from my school's worksheet) use this formula :- Mean(x) = A + Σfiui/Σfi × c
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