Express by tally marks :
5, 6, 5, 6, 7, 5, 8, 5, 6, 7, 8, 8, 7, 6, 5
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Step-by-step explanation:
you have to make three columns in the table
1st column heading:- marks or numbers
2nd column heading:-tally marks
3rd column heading :- frequency
now,
5 :- ||||\ 5
6:- |||| 4
7:- ||| 3
8:- ||| 3
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