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25 students participated in an Essay competition on the topic “Clean India-Healthy India”. Following is the data about their marks obtained out of maximum marks 

10. 6, 7, 7, 5, 8, 9, 8, 6, 7, 5, 8, 6, 6, 5, 4, 7, 6, 8, 8, 9, 7, 5, 9, 8, 10 

Prepare a table using tally marks and answer the following questions 

(i) Number of students who obtained less than or equal to 6 marks. 

(ii) Number of students who obtained more than 6 marks. 

(iii) Number of students who obtained 8 marks.

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Tally marks table :

(i) Number of students obtained less than or equal to 6 marks = 5 + 4 + 1 = 10 

(ii) Number of students obtained more than 6 marks = 5 + 6 + 3 + 1 = 15 

(iii) Number of students who obtained 8 marks = 6

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