Question

the marks obtained by 40 students of class lX in an examination are given below :
12 , 8 , 18 , 8 , 6 , 16 , 12 , 5 , 23 , 2 , 10 , 20 , 12 , 9 , 7 , 6 , 5 , 3 , 5 , 13 , 21 , 13 , 15 , 20 , 24 , 1 , 7 , 16 , 21 , 13 , 23 , 18 , 7 , 3 , 18 , 17 , 16 , 16 , 23 , 12 .​
represent the data in the form of frequency distribution using 15-20,(20 is not included) as one of the class intervals .

Answer 1

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