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Question

The frequency table shows the number of chocolates that were distributed among the students of different grades. Find the median number of grade students.

Grade
6
7
8
Number of chocolates distributed
10
24
11

A
6
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B
7
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C
8
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D
5
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Solution

The correct option is B 7

Grade

Number of chocolates

Position

6

10

10

7

24

34

8

11

45

Sum of number of chocolates =10+21+11=45(oddnumber)
Median at (n+12)position=(45+12)=23
23rd position comes after 10th but before 34th position
So, Median=7

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