Question: ( x -7 )' 75 79 96 78 95 86 91 86 82 88 82 86 82 Ex = [( x - 7) =Grades No.


( x -7 )' 75 79 96 78 95 86 91 86 82 88 82 86 82 Ex = [( x - 7) =Grades No. of Class Less Than Students Marks Cumulative Frequency LL-UL X
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