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Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VIII of a school : 

9, 7, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9, 12, 18, 17, 19, 20, 25, 9, 12, 17, 19, 19, 20, 9

(i) What is the range of marks?

(ii) What is the highest mark?

(iii) Which mark is occurring more frequently?

1 Answer

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Marks No. of students
9 6
12 4
17 4
18 2
19 4
20 3
25 2

(i) Range of marks = 25 – 9 = 16.

(ii) Highest marks is = 25.

(iii) Marks occurring more frequently = 9

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