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Q.

Read the following news report and answer on the basis of the same: For an examination, 60 students of a school appeared. Marks obtained by the 12 students were 25 each. The number of students who scored 20 and 5 each was three more than the students who scored 25. Also, 8 students who scored 10 marks each. The students who scored 15 marks each were half the students who scored 10 each and remaining students had scored 30 each.


The series so obtained from the given paragraph is:


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a

    Discrete series

b

    Continuous series

c

    No series can be obtained 

d

    Individual series

answer is B.

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Detailed Solution

Given is a news report.
From the given paragraph, the following table is presented to have a simplified view of the data.
This is the data of 60 students who appeared in an examination which was conducted in the school and marks obtained by those 60 students in the examination.

Marks

  5

   10

    15

    20

     25

    30

Number of Students

 15

   8

   4

    15

     12

     6

The second kind of series is a discrete series. The ungrouped frequency distribution is a term used to describe discrete series. This series consists of two elements: X and F, where F denotes the frequency, or the number of times that X is repeated.
Hence, the correct option is 2.
 
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