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Question

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school:
$$9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9$$
The number of students who obtained $$20\ marks =$$ ____.

A
3
Solution
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Correct option is A. 3
Given that
the marks obtained by $$25$$ students in a history test in class VI of a school
$$9, 17, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9, 12, 18, 17, 19, 20, 25, 9, 12, 17, 19, 19, 20, 9$$
Frequency Distribution table:

Marks No. of students obtained that marks
$$9$$ $$6$$
$$12$$ $$4$$
$$17$$ $$4$$
$$18$$ $$2$$
$$19$$ $$4$$
$$20$$ $$3$$
$$25$$ $$2$$
Thus, the number of students who obtained $$20\ marks = 3$$

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Q1
Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school:
$$9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9$$
The number of students who obtained $$20\ marks =$$ ____.
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Q2
Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school:
9, 17, 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?
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Q3

Prepare an ungrouped frequency distribution table for the following marks obtained by students of class VI in a class test in Mathematics out of 25.


Also, find the total number of students in the class.


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Q4

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

9, 17, 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 ?

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Q5

Prepare a frequency distribution table for the following marks obtained by students of class VI in a Mathematics class test out of 25. Answer the following questions:

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